Patents by Inventor Fred Schallenkammer

Fred Schallenkammer 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).

  • Swing arm lamp
    Patent number: 3983386
    Abstract: My invention relates to an improvement in a lamp structure of a type generally referred to as a swing arm lamp where a shaded electric lighting unit is attached to the end of an arm horizontally extending from a lamp post and pivotally swung about said post in a horizontal arc.
    Type: Grant
    Filed: May 7, 1975
    Date of Patent: September 28, 1976
    Inventor: Fred Schallenkammer