Patents by Inventor Roger Van de Walker

Roger Van de Walker 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).

  • Earplug container
    Patent number: 4321998
    Abstract: A combined protective case and inserter for earplugs has a cover held in a closed or an open position by a frictional backing feature, and can be reversed whereby either one of two earplug inserting means are exposed externally for the case for aiding the insertion of the earplug into a users ear.
    Type: Grant
    Filed: March 6, 1980
    Date of Patent: March 30, 1982
    Assignee: Norton Company
    Inventors: Roger Van de Walker, Weston E. Draper, Jr.
  • Tire
    Patent number: D263392
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: March 16, 1982
    Assignee: Zeus Manufacturing, Inc.
    Inventor: Roger Van de Walker