Patents by Inventor Waldemar Hammer

Waldemar Hammer 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).

  • Quick-adjustable fence unit for a woodworking table
    Patent number: 3991991
    Abstract: A fence unit, for a woodworking table, comprised of a fence extending along the table spaced in front of an attachment plate fixed on the table, and instrumentalities, including parallel links, connected between the attachment plate and fence releasably holding said fence in one preselected working position, but manually operative to release said fence and quick-adjust the same to another, releasably held, preselected working position.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: November 16, 1976
    Inventor: Waldemar Hammer