Patents by Inventor LaVern N. Duffy

LaVern N. Duffy 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: 4597608
    Abstract: An improved automobile windshield cover to prevent frost, ice or snow from freezing on a windshield, includes a shield portion formed of an elongated strip of pliable material, with at least one resilient strap on each end for attaching the shield portion to the automobile. The cover straps are adapted to be clamped between the front doors and body of the automobile. One of the end straps is semi-permanently attached to the shield portion so that the strap can first be clamped between one of the front doors and the automobile's body and then attached to its associated cover end to pull the cover tauntly over the windshield.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: July 1, 1986
    Inventor: LaVern N. Duffy