Patents by Inventor Guenther Paczka

Guenther Paczka 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).

  • Dental needle with stick resistant protective sleeve
    Patent number: 5045066
    Abstract: A protective device for a dental needle is disclosed. The device comprises a generally cylindrical sleeve having therein a sliding hub assembly adapted to receive a dental syringe having a cannula with distal and proximal ends and generally rectangular openings in the walls thereof. The hub assembly includes locking means extending through the generally rectangular openings to retain the syringe in a retracted position. The sleeve extends over and covers both the distal and proximal ends of the cannula when the sleeve is in a retracted position so as to protect the dental health professional from contact with the needle.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: September 3, 1991
    Assignee: Smith & Nephew, Inc.
    Inventors: Gustav A. Scheuble, Fritz Kohnke, Guenther Paczka