Patents by Inventor Leo P. Pierce

Leo P. Pierce 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).

  • Patent number: 4192385
    Abstract: Apparatus for opening an enclosure in response to operation of a foam generator, including an operative connection between the generator and the latch of the venting door.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: March 11, 1980
    Assignee: Feecon Corporation
    Inventor: Leo P. Pierce