Patents by Inventor William C. Dorr

William C. Dorr 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: 4535973
    Abstract: A vehicle spare tire carrier utilizing a winch for holding the tire against the vehicle underside, wherein the winch employs apparatus for preventing the cable sheave from being rotated in the improper direction for winding the tire supporting cable thereon. Winch stop means sensing the location of the cable relative to the sheave prevents winch rotation upon the cable being fully extended. Also, an embodiment of the tire carrier utilizes a cable guide and extension for remotely locating the winch from the location of tire support.
    Type: Grant
    Filed: January 11, 1984
    Date of Patent: August 20, 1985
    Assignee: Kent Products, Inc.
    Inventors: William C. Dorr, Kenneth C. Hybarger, James A. Yurkinas