Patents by Inventor Raymond S. Guntulis

Raymond S. Guntulis 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).

  • Installer drive unit for chemical anchor
    Patent number: 4404875
    Abstract: A drive unit for inserting threaded studs into drilled holes, the unit including a shank with an extension at one end adapted to be inserted into a drill chuck, a threaded extension at the other end and a polygonally shaped central portion.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: September 20, 1983
    Assignee: USM Corporation
    Inventors: Kunissey P. Sadanandan, Raymond S. Guntulis