Patents by Inventor Roger Rosenquist

Roger Rosenquist 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).

  • Automatic mower reel grinder
    Patent number: 6685544
    Abstract: A grinding system (10) for sharpening the blades in cutting reels of mowing units incorporates an articulated grinding head (90) mounted for movement on a carriage (92). A unique index/guide assembly (160) is mounted on the grinding head (90). The index/guide assembly (160) includes a fixed guide finger (178) and associated, movable index finger (180) for automatic sequential grinding of the blades in the spin grind mode.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: February 3, 2004
    Assignee: Foley-Belsaw Company
    Inventors: James H. Dieck, Roger Rosenquist
  • Automatic mower reel grinder
    Patent number: 6290581
    Abstract: A grinding system (10) for sharpening the blades in cutting reels of mowing units incorporates an articulated grinding head (90) mounted for movement on a carriage (92). A unique index/guide assembly (160) is mounted on the grinding head (90). The index/guide assembly (160) includes a fixed guide finger (178) and associated movable index finger (180) for automatic sequential grinding of the blades in the spin grind mode.
    Type: Grant
    Filed: January 3, 2000
    Date of Patent: September 18, 2001
    Assignee: Foley-Belsaw Company
    Inventors: James H. Dieck, Roger Rosenquist