Patents by Inventor Louis R. Shroyer

Louis R. Shroyer 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).

  • Multi-axle wheel locking bar
    Patent number: 4688408
    Abstract: Wheel locking device to prevent the theft of tandem axle trailers. This device consists of a rod with brackets at either end. The brackets have holes through which the lug nuts of the wheels pass. The lug nuts are affixed to the lugs of the wheels to secure the bar to each of the wheels. A cover attached to each end of the rod is fixed over the lug nuts, which prevents removal of the rod from the wheels. The cover is locked into place with a protected lock and key device.
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: August 25, 1987
    Inventor: Louis R. Shroyer