Patents by Inventor Quinton Tidquist

Quinton Tidquist 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).

  • Method of stack cutting
    Patent number: 4278478
    Abstract: A stack of edge aligned, thin metal sheets pressed into tight face-to-face engagement between rigid upper and lower plates, and a series of closely spaced peripheral welds from upper to lower plates secures the stack together for torch cutting predetermined patterns from the stack without warping and excessively burning the thin sheets.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: July 14, 1981
    Inventor: Quinton Tidquist