Patents by Inventor Stewart L. Martinsen

Stewart L. Martinsen 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).

  • Repairing squeaking floors
    Patent number: 5179813
    Abstract: Novel methods and apparatus are disclosed by which squeaking floors are facilely, reliably and economically repaired by internal injection of glue or the like without the disassembly of floor components or substantial removal of a floor covering.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: January 19, 1993
    Inventors: Lyle J. Martinsen, Stewart L. Martinsen, Lane G. Martinsen
  • Repairing squeaking floors
    Patent number: 5175974
    Abstract: Novel methods and apparatus are disclosed by which squeaking construction joints in floors, stairs and furniture are facilely, reliably and economically repaired by internal injection of glue or the like along a newly created passageway, without the disassembly of the joints.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: January 5, 1993
    Inventors: Lyle J. Martinsen, Stewart L. Martinsen, Lane G. Martinsen
  • Shoulder rest for telephone handset
    Patent number: D323828
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: February 11, 1992
    Inventors: Lyle J. Martinsen, Stewart L. Martinsen
  • Shoulder rest for telephone handset
    Patent number: D323829
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: February 11, 1992
    Inventors: Lyle J. Martinsen, Stewart L. Martinsen