Patents by Inventor Robert L. Contreras

Robert L. Contreras 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).

  • Method for converting hard top vehicles to removable top vehicles
    Patent number: 4238876
    Abstract: A procedure is disclosed whereby a vehicle which has been manufactured with a top which is of unitary construction with the body of the vehicle may be converted to a vehicle having a removable top. Also disclosed are sealing and mounting devices for securing and sealing the removable top to the body of the vehicle.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: December 16, 1980
    Assignees: Gary S. Monroe, Robert L. Contreras, Gregory C. Hummel, Barry A. Russell
    Inventors: Gary S. Monroe, Robert L. Contreras, Gregory C. Hummel