Patents by Inventor Hal P. Zinnecker

Hal P. Zinnecker 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).

  • Polyolefin sheath and silicone O-ring for medical instrument
    Patent number: 5035248
    Abstract: A polyolefin sheath for the coiled wire housing for an actuating wire of a medical instrument such as forceps associated with an endoscope or the like. More specifically, the present invention involves the use of a polyolefin sheath for the coiled wire housing and O-ring seal of silicone associated with the forceps and a supporting housing in an endoscope to eliminate migration of contaminants into the forked end of the housing which supports the pivotal forceps and preventing entry of contaminants between the convolutions of the coiled wire housing.
    Type: Grant
    Filed: April 23, 1987
    Date of Patent: July 30, 1991
    Inventor: Hal P. Zinnecker