Patents by Inventor Gerhard Wesseler

Gerhard Wesseler 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).

  • Scaffold subassembly
    Patent number: 4004856
    Abstract: A scaffold which can be readily assembled and disassembled. The cross numbers are outfitted with retractable hooks for, when extended, engagement with slots in the uprights. With the hooks extended, wedges secure them in tight engagement with the slots. The hooks are unremovably mounted on the cross members, and the wedges are also unremovably mounted.
    Type: Grant
    Filed: March 19, 1975
    Date of Patent: January 25, 1977
    Assignee: Dula-Werke Dustmann & Co.
    Inventor: Gerhard Wesseler