Patents by Inventor Gerald J. Curtis

Gerald J. Curtis 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).

  • Sealed and secured fastener
    Patent number: 4710082
    Abstract: The invention relates to a sealed housing for a bolt, including a nut body in threaded engagement with the bolt, and a housing which encloses the nut body. A lock cylinder locks the housing to an anchoring shoulder in the nut body. An elastomeric O-ring is disposed between a circumferential groove in the nut body and a gland bore in the housing.
    Type: Grant
    Filed: June 18, 1986
    Date of Patent: December 1, 1987
    Inventor: Gerald J. Curtis
  • Cloth wringer
    Patent number: D247154
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: February 7, 1978
    Inventor: Gerald J. Curtis
  • Prop lock
    Patent number: D263555
    Type: Grant
    Filed: October 5, 1979
    Date of Patent: March 30, 1982
    Inventor: Gerald J. Curtis
  • Cleat cleaner or similar article
    Patent number: D295335
    Type: Grant
    Filed: June 4, 1986
    Date of Patent: April 19, 1988
    Inventor: Gerald J. Curtis