Patents by Inventor John D. Wanvig

John D. Wanvig 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).

  • Snack food product
    Patent number: D318557
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: July 30, 1991
    Assignee: General Mills, Inc.
    Inventors: John D. Wanvig, Erin K. Taylor, Eugene P. Buck
  • Snack food product
    Patent number: D322148
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: December 10, 1991
    Assignee: General Mills, Inc.
    Inventors: John D. Wanvig, Erin K. Taylor, Eugene P. Buck
  • Snack food product
    Patent number: D322149
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: December 10, 1991
    Assignee: General Mills, Inc.
    Inventors: John D. Wanvig, Erin K. Taylor, Eugene P. Buck
  • Snack food product
    Patent number: D322150
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: December 10, 1991
    Assignee: General Mills, Inc.
    Inventors: John D. Wanvig, Erin K. Taylor, Eugene P. Buck
  • Snack food product
    Patent number: D322151
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: December 10, 1991
    Assignee: General Mills, Inc.
    Inventors: John D. Wanvig, Erin K. Taylor, Eugene P. Buck