Patents by Inventor Harold L. Madsen

Harold L. Madsen 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).

  • Drapery hanger and manipulator
    Patent number: 4881588
    Abstract: A drapery hanger and manipulator is disclosed herein with drapery panels or segments suspended on groups of drapery hook hangers, and a series of carriers slidably actuatable along a track with inter-working structures and mechanisms driven and operated by a single linear drive.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: November 21, 1989
    Inventor: Harold L. Madsen
  • Drapery hanger and manipulator
    Patent number: 4355677
    Abstract: An improved drapery hanger and manipulator is disclosed herein having drapery panels or segments suspended on groups of drapery hook hangers and a series of carriers slidably actuatable along a traverse track bridge with inter-working structures and mechanisms driven and operated by a linear drive means for independently moving and positioning the carriers and associated panels or segments.
    Type: Grant
    Filed: August 17, 1981
    Date of Patent: October 26, 1982
    Inventor: Harold L. Madsen
  • Drapery hanger and manipulator
    Patent number: 4240489
    Abstract: A drapery hanger and manipulator is disclosed herein having drapery panels or segments suspended on groups of drapery hook hangers and a series of carriers slidably actuatable along a traverse track bridge with inter-working structures and mechanisms driven and operated by a linear drive means for independently moving and positioning the carriers and associated panels or segments.
    Type: Grant
    Filed: May 30, 1979
    Date of Patent: December 23, 1980
    Inventor: Harold L. Madsen
  • Drapery hanger and manipulator
    Patent number: 3982581
    Abstract: A drapery hanger and manipulator is disclosed herein having drapery panels or segments suspended on respective drapery holders which are independently mounted on a supporting frame.
    Type: Grant
    Filed: December 18, 1974
    Date of Patent: September 28, 1976
    Inventor: Harold L. Madsen