Patents by Inventor Edward J. Corvington

Edward J. Corvington 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).

  • Skeletal frame structure with sheet material cover
    Patent number: 4232489
    Abstract: In a skeletal frame structure having a flexible sheet material cover, such as a greenhouse or the like, a protective tape applied to the frame below the cover to protect it from damage, the tape being characterized by a laminate of insulating plastic foam and a facing layer of silicone-coated kraft paper engageable by the cover.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: November 11, 1980
    Assignee: Royal Mark Laminates
    Inventors: Edward J. Corvington, Elmer J. Sitter