Patents by Inventor Thomas E. Hart

Thomas E. Hart 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).

  • Patent number: 4672761
    Abstract: An improved action for a muzzle loading firearm utilizing a receiver with integral sidehammer easily converted from side to side and with the sidehammer having a spur pulled rearward to cock the hammer and having a positive push button bar safety.
    Type: Grant
    Filed: May 16, 1986
    Date of Patent: June 16, 1987
    Inventor: Thomas E. Hart
  • Patent number: 4228861
    Abstract: A folding implement mountable on the three-point hitch of a tractor has a U-shaped, downwardly oriented, central member with a horizontal wing extending laterally from each side of the central member, behind the rear wheels of the tractor. Each horizontal wing has a series of downwardly extending tines spaced thereon. The tines score the earth behind each tractor wheel when the wings are horizontal. A lifting mechanism affixed to the wings and the tractor rotates the wings vertically each time the three-point hitch is raised so that the implement is folded out of the way when turning the tractor.
    Type: Grant
    Filed: August 2, 1979
    Date of Patent: October 21, 1980
    Inventor: Thomas E. Hart