Walker, Sarah Breedlove McWilliams
- Invented a metal heating comb and conditioner for straightening hair (Patented in 1905).
Stokes, Rufus
Invented an air purification service to reduce to a safe level the gases and ash from furnace and power plant smoke (Patented in 1968).
Standard, J.
Invented a refrigerator, which used compressed air and ether as a coolant. (Patented in 1834). Invented Oil stove. (Patented in 1889).
Scrottron, S. R.
Invented curtain rod. A long metal tube open at each end to attach curtains to a supporting wall structure, no further need to nail curtains over windows (Patented in 1892).
Sampson, G. T.
Russel, L. A.
Invented guard attachment for beds, preventing invalids and infants from falling out (Patented in 1895).
Robinson, Elbert R.
Invented an electric trolley: using electricity in overhead wires to propel a passenger carrying vehicle (Patented in 1893).
Rickman, A. L.
Invented Rubberized shoe to act as covering to prevent feet from getting wet; forerunner of modern shoe rubbers (Patented in 1898).
Richardson, W. H.
Pickering, J. F.
Invented an airship (dirigible). powered by an electric motor. It was the first to have directional control; it was patented on February 20, 1900. The first airship was developed in 1852 but was filled with hydrogen gas, which is very combustible.
Martin, W. A.
Campbell, W. S.
Invented a self setting animal trap in 1881. The trap automatically resets after it catches an animal.
Blackburn, A. B.
Invented a railroad signal, used to alert engineer in trains to danger along the route (Patented 1888).
Benton, J. W.
Invented a derrick for hoisting heavy weights. Walked from Kentucky to Washington to obtain his patent, on October 2, 1900.
Baltimore, Jeremiah Daniel
Invented the Pyrometer. An Instrument for measuring degrees of heat higher than those recorded by a mercurial thermometer.
Elijah McCoy
Inventor | 1844-1929 | Invented an automatic lubricator for oiling the steam engines of locomotives, boats, etc. |
Norbert Rilleaux
Inventor and engineer | 1806-1894 | Most noted for inventing the multiple-effect evaporator, an energy-efficient means of evaporating water. |
Benjamin Banneker
Astronomer, clockmaker, publisher | 1731-1806 | Was able to make the calculations to predict solar and lunar eclipses and to compile an ephemeris for the Benjamin Banneker`s Almanac. |
Marc Auguste
#7,083,512, 8/1/2006
Auguste invented a coin and token organizing, holding and dispensing apparatus.
Auguste invented a coin and token organizing, holding and dispensing apparatus.
Moses T. Asom
- #5,386,126, 1/31/1995
- Asom developed semiconductor devices based on optical transitions between quasibound energy levels.
Alexander P Ashbourne
- #163,962, 6/1/1875Ashbourne put together a process for preparing coconut.
- #170,460, 11/30/1875Ashbourne also developed a biscuit cutter.
- #194,287, 8/21/1877Along with preparation, Ashbourne developed a process of treating coconut.
- #230,518, 7/27/1880
Ashbourne is responsible for the refining coconut oil patent.
Tanya R Allen
- #5,325,543, 7/5/1994
- Allen developed the undergarment with a pocket for releasable securing an absorbent pad.
James Matthew Allen
- #2,085,624, 6/29/1937
- Allen put together a remote control apparatus designed for radio receiving sets.
James B. Allen
- #551,105, 12/10/1895
- Allen developed a clothes-line support. Modern-Day clothesline support is often adjustable and keeps lines secure to prevent sagging and dipping.
Floyd Allen
- #3,919,642, 11/11/1975
- Allen provided a low-cost telemeter for monitoring a battery and DC voltage converter power supply.
Charles William Allen
- #613,436, 11/1/1898
- Allen created the self-leveling table. This allows for table stabilization and prevents wobbling.
Winser Edward Alexander
- #3,541,333, 11/17/1970
- Alexander developed a system for enhancing fine detail in thermal photographs; his research furthered expertise in the area of digital signal processing.
Ralph W Alexander
- #256,610, 4/18/1882
- This method of planting allowed each hill of two, three or four seeds to be the same distance. This cultivated rows in various directions and also kept a field weedless.
Nathaniel Alexander
- #997,108, 7/4/1911
- Nathaniel Alexander created the first folding chair for use in churches, school, and group gatherings.
George Edward Alcorn
- #4,172,004, 10/23/1979Alcorn developed a method for forming dense dry etched multi-level metallurgy with non-overlapped vias.
- #4,201,800, 5/6/1980Alcorn also created a hardened photoresist master image mask process.
- #4,289,834, 9/15/1981Alcorn is responsible for developing a dense dry etched multi-level metallurgy with non-overlapped vias.
- #4,472,728, 9/18/1984In this patent, Alcorn created an imaging X-ray spectrometer.
- #4,543,442, 9/24/1985Alcorn developed the GaAs Schottky barrier photo-responsive device and method of fabrication.
- #4,618,380, 10/21/1986
Another patent by Alcorn included the method of fabricating an imaging X-ray spectrometer.
James S Adams
- #1,356,329, 10/19/1920
- Adams allowed for airplane propelling means. This created the opportunity for blades to rotate parallel to airflow, in order to lessen a possible drag, if an engine failure were to occur.
Christopher P. Adams
- #5,641,658, 6/24/1997
- Adams put together a method for performing amplification of nucleic acid with two primers bound to a single solid support. This is useful in several ways, for example, for hybridization assays.
Elijah Abron
William B Abrams
William B Abrams
- #450,550, 4/14/1891
- Abrams developed the Hame Attachments Part for a draft horses' collar. This is a curved hinge worn on any side of the mouth of a horse or other working animal, such as a cow or pig, that holds the mouth bit to better help the animal in the field.
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