Patents by Inventor Don C. Langford

Don C. Langford 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).

  • Shielded spike tool
    Patent number: 6161456
    Abstract: A shielded spike tool for removing and installing spike elements from sports shoes, the shielded spike tool including a tool head with an engagement structure extending from a first surface thereof, and a shank extending from a second surface thereof, opposite the engagement structure. A shield is carried by the shank and encircles the tool head. The shield is movable along the shank between an extended position and a retracted position, with a biasing structure urging the shield into the extended position.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: December 19, 2000
    Inventor: Don C. Langford