Patents by Inventor Dennis Imm

Dennis Imm 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).

  • Weldless grating for bridge decks
    Patent number: 5463786
    Abstract: A weldless grating comprising a plurality of longitudinal load bearing members, secondary load bearing members and/or tertiary load bearing members having a rod extending through the tertiary load bearing members and primary load bearing members locking the tertiary load bearing members in slots in the secondary load bearing members and locking the secondary load bearing members in slots in the primary load bearing members to form the grating.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: November 7, 1995
    Assignee: Grate-Lok Co., Inc.
    Inventors: Ronald W. Mangone, Dennis Imm