Patents by Inventor Christopher R. Lockwood

Christopher R. Lockwood 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).

  • Cutter for cutting out profiles from sheet material
    Patent number: 4222169
    Abstract: A cutter for cutting out profiles from sheet material, the cutter having a cutter blade mounted on a pivoted arm whose movement round a fulcrum causes variation in the effective length of the arm by means of a cam and cam follower combination.
    Type: Grant
    Filed: November 1, 1978
    Date of Patent: September 16, 1980
    Inventor: Christopher R. Lockwood