Patents by Inventor Albert E. Langenbahn

Albert E. Langenbahn 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).

  • Pet bed having a cushion with a quick changeable cover
    Patent number: 5033408
    Abstract: A pet bed which includes a covering for a cushion with the covering held in place by a surrounding framework. The covering could have a waterproof backing or a waterproof covering could be placed over the cushion between the covering and cushion to protect the cushion.
    Type: Grant
    Filed: December 1, 1989
    Date of Patent: July 23, 1991
    Inventor: Albert E. Langenbahn
  • Drive-up electrical receptacle
    Patent number: 4850879
    Abstract: A quick connect drive up receptacle which includes a receptacle supported by spaced arms. An adjustable spring supports the spaced arms so that the receptacle is held at a desired height. Male connectors on the vehicle are so configured that the arm supported receptacle will engage the male connectors to supply current to one or more devices on or in the vehicle.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: July 25, 1989
    Inventor: Albert E. Langenbahn