Patents by Inventor Peter B. Hanmer

Peter B. Hanmer 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).

  • Severing apparatus
    Patent number: 5107732
    Abstract: Apparatus for severing sheet material which includes pairs of upper and lower jaws which may be moved towards each other to grip and tension sheet material disposed between the jaws. An elongated severing blade is arranged between one of the pairs of jaws, the latter normally being biased to a position where they conceal the blade but being movable against the bias when engaged by the other jaws to expose the severing blade for severing of the tensioned sheet material.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: April 28, 1992
    Inventor: Peter B. Hanmer