Patents by Inventor Chester J. Wojtowicz

Chester J. Wojtowicz 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).

  • Microwave oven
    Patent number: D247948
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: May 23, 1978
    Assignee: Amana Refrigeration, Inc.
    Inventors: Tom Takeuchi, Melvin H. Boldt, Chester J. Wojtowicz
  • Microwave oven
    Patent number: D248008
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: May 30, 1978
    Assignee: Amana Refrigeration, Inc.
    Inventors: Chester J. Wojtowicz, Melvin H. Boldt
  • Combination microwave and convection oven
    Patent number: D267851
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: February 8, 1983
    Assignee: Amana Refrigeration, Inc.
    Inventors: Melvin H. Boldt, James P. Stevens, Chester J. Wojtowicz
  • Combination microwave oven and exhaust vent hood
    Patent number: D273931
    Type: Grant
    Filed: January 15, 1982
    Date of Patent: May 22, 1984
    Assignee: Amana Refrigeration, Inc.
    Inventors: James P. Stevens, Chester J. Wojtowicz
  • Video monitor
    Patent number: D289398
    Type: Grant
    Filed: April 19, 1985
    Date of Patent: April 21, 1987
    Assignee: Zenith Electronics Corporation
    Inventors: David P. Chuboff, Chester J. Wojtowicz