Patents by Inventor Ronald J. Gangelhoff

Ronald J. Gangelhoff 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).

  • Holder for cutlery and sharpening steel
    Patent number: D247735
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: April 18, 1978
    Assignee: Chicago Cutlery Consumer Products, Inc.
    Inventors: Ronald J. Gangelhoff, Robert L. Jacobi
  • Fillet knife
    Patent number: D279447
    Type: Grant
    Filed: September 9, 1982
    Date of Patent: July 2, 1985
    Assignee: Chicago Cutlery Consumer Products, Inc.
    Inventors: Ronald J. Gangelhoff, Ray A. Kohler, Lee Sexton
  • Cutting board
    Patent number: D281566
    Type: Grant
    Filed: April 20, 1983
    Date of Patent: December 3, 1985
    Assignee: Chicago Cutlery Consumer Products, Inc.
    Inventors: Ronald J. Gangelhoff, Robert L. Jacobi, William Peters, Robert Pashley
  • Knife handle
    Patent number: D283001
    Type: Grant
    Filed: May 13, 1983
    Date of Patent: March 18, 1986
    Assignee: Chicago Cutlery Consumer Products, Inc.
    Inventors: Robert Pashley, Mary E. Burke, William Peters, Robert L. Jacobi, Ronald J. Gangelhoff
  • Knife handle
    Patent number: D284537
    Type: Grant
    Filed: May 13, 1983
    Date of Patent: July 8, 1986
    Assignee: Chicago Cutlery Consumer Products, Inc.
    Inventors: Robert Pashley, Mary E. Burke, William Peters, Robert L. Jacobi, Ronald J. Gangelhoff, Leonard E. Lewis, Richard Alvarez