Patents by Inventor Lawrence E. Houston

Lawrence E. Houston 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).

  • Shock absorbing guard
    Patent number: 3997150
    Abstract: An impact or shock absorbing guard constructed of a molded rubber composition for padding structural elements such as poles or the like found on playgrounds, schoolyards, etc. to prevent injuries. The shock absorbing guard affords energy or shock absorption properties of at least two levels and has a long service life.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: December 14, 1976
    Assignee: Technibilt Corporation
    Inventors: Louis J. Hanson, Lawrence E. Houston