Patents by Inventor David J. Fehlberg

David J. Fehlberg 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).

  • Endoscope and urological instrument lock
    Patent number: 4188942
    Abstract: A two-stage locking or latching mechanism for releasably connecting an endoscope and a urological instrument. In the first latching stage a body portion of the endoscope is fully received within a socket of the urological instrument and is restrained by a cooperating lug and socket against all movement except limited outward axial movement into the second latching stage. In the second latching stage the parts are secured against further axial separation unless they are first rotated with respect to each other to cam a spring out of latching engagement with the body portion of the endoscope.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: February 19, 1980
    Assignee: American Hospital Supply Corporation
    Inventor: David J. Fehlberg