Patents by Inventor Heinz Hofstetter

Heinz Hofstetter 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).

  • Releasing magnet for anti-theft devices for sales goods
    Patent number: 6329895
    Abstract: A releasing magnet for anti-theft devices for sales goods with a permanent magnet and a housing having a disc-shaped collar and a fastener for securing the housing to a table. The housing is made of plastic and at least almost surrounds the permanent magnet which prevents corrosion and allows the releasing magnet to be washed so that its use is hygienic.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: December 11, 2001
    Inventors: Albert Maurer, Heinz Hofstetter