Patents by Inventor Mark J. Gruenwald

Mark J. Gruenwald 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).

  • Patent number: 4556245
    Abstract: A carrying handle assembly for a diving tank including a pair of straps that encircle the tank. A handle extends longitudinally of the tank and is removably connected to the straps. The handle comprises a rigid tubular core having a dog-leg shape, with the rear portion of the core extending at an angle of about 30.degree. with respect to the forward portion. Bonded to the outer surface of the core is a resilient foam plastic covering and a flexible strap is inserted through the central opening in the core and the ends of the strap are removably attached to the straps that encircle the tank. In use, the operator grasps the forward portion of the handle which is held generally horizontally and the tank will be inclined upwardly and forwardly at an angle of about 30.degree..
    Type: Grant
    Filed: October 24, 1984
    Date of Patent: December 3, 1985
    Assignee: Clearwater Technologies Inc.
    Inventor: Mark J. Gruenwald