Patents by Inventor James E. Coder

James E. Coder 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: 4274200
    Abstract: A folding blade knife in which the blade is held in the open position by a tumbler spring movable in the same plane as the blade and a lock spring movable in a plane perpendicular to the plane of blade movement. The lock spring is mounted in the handle remote from the blade, is movable in a plane by operation of a handle-projecting spring extension and constrained to move in planes perpendicular to said plane by restraining frame piece slots.
    Type: Grant
    Filed: December 5, 1979
    Date of Patent: June 23, 1981
    Assignee: W. R. Case Sons Cutlery Company
    Inventor: James E. Coder