Patents by Inventor Stanley Lavis

Stanley Lavis 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).

  • Lock
    Patent number: 3971239
    Abstract: A lock is provided having a cover and a casing in which the cover is normally removable from the lock. The casing has an opening to receive a bolt therethrough, and means on the cover to engage the bolt whereby the cover cannot be removed from the casing when the bolt is in its advanced position.
    Type: Grant
    Filed: February 7, 1975
    Date of Patent: July 27, 1976
    Assignee: Phelps Time Recording Lock Corporation
    Inventor: Stanley Lavis