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.
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Jackson, H. A

Kitchen Table October 6, 1896 596,135 

  • Martin, W. A.
    Invented a lock, that was an improvement over the 4,000 year old bolt invented by the Chinese that could be fastened or unfastened from eith...
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