Patents by Inventor Ross A. Nitkin

Ross A. Nitkin 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: 4850306
    Abstract: An auxiliary cage for positioning on an animal tank such cage having a generally closed rectangular structure disposed above the open top of the animal tank with a suspended floor structure positioned within the tank with openings in such suspended floor and in the bottom of the closed cage structure and a ramp extending from the bottom of the tank to the suspended floor opening and a further ramp extending from the suspended floor to the opening in the bottom of the cage structure on top of the tank.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: July 25, 1989
    Inventor: Ross A. Nitkin