Patents by Inventor Richard Proops

Richard Proops 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).

  • Nailer
    Patent number: D260354
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: August 25, 1981
    Assignee: Hilti Aktiengesellschaft
    Inventors: Richard Proops, David Haas, John Cuccio