Patents by Inventor Marcus S. Weaver

Marcus S. Weaver 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: 4756172
    Abstract: A trailer lock and more specifically to an anti-theft device for use with boat trailers or other trailers having a tongue with a ball socket thereon for engagement with a hitch ball connected to a towing vehicle. The lock includes a hitch ball mounted on top of a vertically adjustable support stand with the ball being received in the ball socket on the trailer tongue. The support stand includes a pivotal lock member which includes a portion closely overlying the upper surface of the ball socket with a padlock assembly securing the lock member in locking position. A lock guard is provided to protect the padlock assembly by preventing easy access to the padlock assembly by bolt cutters or other similar cutting implements.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: July 12, 1988
    Assignee: Robert Welborn Hightower
    Inventor: Marcus S. Weaver