Patents by Inventor Jerome A. Grunstad

Jerome A. Grunstad 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).

  • Paper clip dispenser
    Patent number: 4047637
    Abstract: A dispenser for magnetizable articles such as pins or paper clips. The dispenser has inner and outer concentric, slotted cylinders, the first cylinder being rotatable within the outer cylinder for dispensing articles through the slots. A pair of spaced magnets establishes a magnetic field which intersects the path of the dispensed articles for suspending the articles in the field without the aid of mechanical supports.
    Type: Grant
    Filed: December 3, 1976
    Date of Patent: September 13, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jerome A. Grunstad, Richard G. Eischens
  • Magnetic weighing scale
    Patent number: D248928
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: August 15, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Jerome A. Grunstad
  • Plaque with sunk relief
    Patent number: D249487
    Type: Grant
    Filed: April 18, 1977
    Date of Patent: September 19, 1978
    Assignee: Ball Corporation
    Inventor: Jerome A. Grunstad
  • Combined pencil caddy and perpetual calendar
    Patent number: D254853
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: April 29, 1980
    Assignee: Ketcham & McDougall, Inc.
    Inventor: Jerome A. Grunstad
  • Combined pen stand and clip well
    Patent number: D254859
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: April 29, 1980
    Assignee: Ketcham & McDougall, Inc.
    Inventor: Jerome A. Grunstad
  • Ash tray
    Patent number: D254871
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: April 29, 1980
    Assignee: Ketcham & McDougall, Inc.
    Inventor: Jerome A. Grunstad
  • Note pad holder
    Patent number: D255037
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: May 20, 1980
    Assignee: Ketcham & McDougall, Inc.
    Inventor: Jerome A. Grunstad
  • Letter opener
    Patent number: D256548
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: August 26, 1980
    Assignee: Ketcham & McDougall, Inc.
    Inventor: Jerome A. Grunstad
  • Combined desk pen set and plaque
    Patent number: D257992
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: January 20, 1981
    Assignee: Princeton Industries Corporation
    Inventor: Jerome A. Grunstad