Patents by Inventor Larry D. Opoka

Larry D. Opoka 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).

  • Air register cover construction
    Patent number: 5230657
    Abstract: A collapsible lightweight cover device (10) for floor registers (100) including a cover member (20) pivotally secured to the register (100) and having accordion folded panel members (30) operatively attached to both the cover member (20) and the register (100); wherein, forced air flowing through the register (100) will force the cover member (20) to pivot upwardly relative to the front of the register (100).
    Type: Grant
    Filed: May 14, 1992
    Date of Patent: July 27, 1993
    Inventor: Larry D. Opoka