Patents by Inventor Peter C. Trainer

Peter C. Trainer 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).

  • Scaffold clamp
    Patent number: 4534448
    Abstract: Improved scaffold clamps are described. These clamps provide a complete enclosure means for securing a plurality of planks in side-by-side relationship. The enclosure means bears a rigid working plate with a press screw extending longitudinally therethrough for exerting pressure against the edges of the enclosed planks. These clamps provide an improved means for stabilizing scaffold platforms.
    Type: Grant
    Filed: February 2, 1983
    Date of Patent: August 13, 1985
    Inventor: Peter C. Trainer