Patents by Inventor Doyle D. Thompson

Doyle D. Thompson 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).

  • Adjustable paper folding apparatus
    Patent number: 4332581
    Abstract: A paper folding apparatus having an infinitely adjustable head designed for rotation from 0 degrees to 90 degrees in order to accommodate various required weights and lengths of paper. The apparatus is a part of a continuous in-line web-fed folding system which allows for variation in the folding head position to accommodate various paper weights, lengths and folding operation speeds, while reducing jams, tears and other problems associated with paper folding operations.
    Type: Grant
    Filed: February 15, 1980
    Date of Patent: June 1, 1982
    Assignee: Form Flo Equipment Manufacturers Inc.
    Inventor: Doyle D. Thompson