Patents by Inventor Philip L. Petersen

Philip L. Petersen 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).

  • Wheelchair tilting apparatus
    Patent number: 5421693
    Abstract: A new and improved wheelchair tilting apparatus includes a base assembly and a wheelchair receiving assembly supported by the base assembly. The wheelchair receiving assembly includes a first platform portion and a first frame assembly supporting the first platform portion. The wheelchair receiving assembly also includes a second platform portion and a second frame assembly supporting the second platform portion. The first and second frame assemblies are connected to each other and oriented with respect to each other at a predetermined obtuse angle, such that the first and second platform portions are oriented with respect to each other at the predetermined obtuse angle. A tilt assembly is supported by the base assembly and is provided for tilting the wheelchair receiving assembly after a wheelchair is received in the wheelchair receiving assembly.
    Type: Grant
    Filed: January 5, 1994
    Date of Patent: June 6, 1995
    Inventor: Philip L. Petersen