Patents by Inventor Wallace Tench

Wallace Tench 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).

  • Knife scabbard or similar article
    Patent number: D296498
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: July 5, 1988
    Assignee: McPherson's Limited
    Inventors: Christopher Collins, Wallace Tench, Cvetan Petroff, Alfred Blochlinger
  • Knife handle or similar article
    Patent number: D298399
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: November 8, 1988
    Assignee: McPherson's Limited
    Inventors: Alfred Blochlinger, Christopher Collins, Wallace Tench, Cvetan Petroff
  • Knife scabbard
    Patent number: D303731
    Type: Grant
    Filed: May 12, 1986
    Date of Patent: October 3, 1989
    Assignee: McPherson's Limited
    Inventors: Alfred Blochlinger, Christopher Collins, Cvetan Petroff, Wallace Tench
  • Utility knife or similar article
    Patent number: D303921
    Type: Grant
    Filed: May 12, 1986
    Date of Patent: October 10, 1989
    Assignee: McPherson's Limited
    Inventors: Alfred Blochlinger, Christopher Collins, Cvetan Petroff, Wallace Tench
  • Retractable blade knife
    Patent number: D305096
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: December 19, 1989
    Assignee: McPherson's Limited
    Inventors: Wallace Tench, Christopher Collins, Cvetan Petroff, Gordon Bremmer