Patents by Inventor Lester E. Meyer

Lester E. Meyer 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).

  • Device for locking tractor trailer and sea-rail container doors
    Patent number: 5145222
    Abstract: For use with a trailer having left and right overlapping doors, and also door rods which lock the doors, a clamp formed of mating, telescoping hollow tubular member supports identical L shaped hooks. The hooks encircle the door rods and secure the doors. The tubular members join and lock by a key operated removable cylinder in selected and aligned holes in the tubular members.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: September 8, 1992
    Inventor: Lester E. Meyer