Patents by Inventor Gene K. Edstrom

Gene K. Edstrom 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).

  • Dual pump colorant dispenser
    Patent number: 4027785
    Abstract: A colorant dispenser for the custom blending of paint has a canister with two measuring piston pumps of different capacities, all mounted on a base; and a single barrel valve in the base controls the flow of colorant to and from both pumps and the discharge of colorant from both pumps through a single exit port.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: June 7, 1977
    Assignee: Chicago Commutator, Inc.
    Inventors: Keith G. Edstrom, Gene K. Edstrom
  • Liquid colorant dispensing machine
    Patent number: D327695
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: July 7, 1992
    Assignee: Fluid Management Limited Partnership
    Inventor: Gene K. Edstrom
  • Liquid colorant dispensing machine
    Patent number: D327895
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: July 14, 1992
    Assignee: Fluid Management Limited Partnership
    Inventor: Gene K. Edstrom
  • Sealing unit for container lids
    Patent number: D330034
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: October 6, 1992
    Inventor: Gene K. Edstrom