Patents by Inventor Gerald E. Sponberg

Gerald E. Sponberg 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: 3969953
    Abstract: A tractor foot pedal guide intended as an accessory for tractors and the like in place of conventional foot pedals, the pedal guide including a foot pedal plate and side members preventing a driver's foot from accidentally slipping off of an otherwise wet or muddy pedal.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: July 20, 1976
    Assignee: Gerald E. Sponberg
    Inventor: Gerald E. Sponberg