Patents by Inventor Leon W. Lyons

Leon W. Lyons has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Archery bowstring release device
    Patent number: 4407260
    Abstract: A release device for aid in drawing and quickly releasing the string of a bow to facilitate accurate launching of an arrow.A manually shiftable member is carried by the housing of the device, and has a cam projection positioned between the legs of spring-urged string-retaining jaws. The member is pivotable between a position holding the jaws in string-retaining relation and a position permitting a spring to separate the jaws to string-releasing relation.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: October 4, 1983
    Inventor: Leon W. Lyons
  • Archery bowstring release device
    Patent number: 4282851
    Abstract: A release device for aid in drawing and quickly releasing the string of a bow to facilitate accurate launching of an arrow. A manually shiftable member is carried by the housing. Said member has a cam projection which is positionable between the jaw legs for retaining the jaws in string retaining position during drawing and aiming. The member is pivotable to remove the cam projections from the jaw legs to permit a spring to separate the jaw legs and to release a bow string.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: August 11, 1981
    Inventor: Leon W. Lyons