Patents by Inventor Raymond G. Wall

Raymond G. Wall 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: 5199372
    Abstract: An amphibious vehicle has a body with front and rear portions, opposite sides and a bottom. The vehicle includes at least one pair of wheels, each wheel being located adjacent a respective side, and a wheel mounting structure for moving the respective wheel between raised and lowered positions thereof. Thus, when the wheels are in the raised position, lower portions of the wheels are raised above the bottom, providing clearance when the vehicle is used in water, and when in the lowered position thereof, the lower portions of the wheels are below the bottom to support the vehicle on a bearing surface. Preferably, the vehicle has two pairs of wheels, and each pair can be moved independently of the remaining pair. For some uses, the wheels of each pair could be moved independently of each other.
    Type: Grant
    Filed: November 20, 1990
    Date of Patent: April 6, 1993
    Assignee: Watercraft Offshore Canada Ltd.
    Inventors: Bruce H. J. W. Seligman, Raymond G. Wall