Patents by Inventor Roy C. Johnson

Roy C. Johnson 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: 4871184
    Abstract: A guide assembly of the type removably mounted in cooperative relation to a hitch ball secured to a vehicle or like structure in a conventional manner wherein the guide assembly, once in an operative position relative to the hitch ball, will serve to direct the distal free end of a coupling tongue into engagement with the hitch ball so as to facilitate coupling therebetween with a minimum effort exerted by the operator of the vehicle on which the hitch ball is mounted.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: October 3, 1989
    Inventor: Roy C. Johnson