Patents by Inventor Robert E. Pierson

Robert E. Pierson 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: 4260070
    Abstract: Latch for releasably holding spring-loaded door of live bait bucket in retracted position wherein the latch member comprises a one-piece molded plastic strip with a release button at one end, a resilient portion at the other end adapted to bear against an inner wall of the bait bucket so as to urge the bottom outwardly, a door-engaging hook, a retraction-limiting protrusion and suitable guide means.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: April 7, 1981
    Assignee: Plano Molding Company
    Inventor: Robert E. Pierson
  • Patent number: D306936
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: April 3, 1990
    Assignee: Plano Molding Company
    Inventors: Randolph W. McMillan, George J. Tisten, Robert J. Yunger, James S. Schumaker, Robert E. Pierson