Patents by Inventor Donald G. Wolfe

Donald G. Wolfe 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).

  • Overhead projector
    Patent number: D244602
    Type: Grant
    Filed: March 3, 1975
    Date of Patent: June 7, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Joseph R. Mango, Donald G. Wolfe
  • Microwave oven
    Patent number: D256764
    Type: Grant
    Filed: May 24, 1978
    Date of Patent: September 9, 1980
    Assignee: Litton Systems, Inc.
    Inventors: Donald G. Wolfe, Joseph R. Mango
  • Microwave oven
    Patent number: D257937
    Type: Grant
    Filed: May 24, 1978
    Date of Patent: January 20, 1981
    Inventors: Donald G. Wolfe, Joseph R. Mango
  • Housing for fire and smoke detector
    Patent number: D258353
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: February 24, 1981
    Assignee: Pittway Corporation
    Inventors: Joseph R. Mango, Donald G. Wolfe
  • Microwave oven
    Patent number: D266051
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: September 7, 1982
    Assignee: Litton Systems, Inc.
    Inventors: Donald G. Wolfe, Joseph R. Mango
  • Food steamer
    Patent number: D270989
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: October 18, 1983
    Assignee: Lincoln Manufacturing Company, Inc.
    Inventors: Ronald E. Bratton, Joseph R. Mango, Donald G. Wolfe
  • Oven
    Patent number: D275725
    Type: Grant
    Filed: September 1, 1982
    Date of Patent: October 2, 1984
    Assignee: Lincoln Manufacturing Company, Inc.
    Inventors: Mitchell C. Henke, Donald G. Wolfe
  • Electric fishing motor
    Patent number: D276811
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: December 18, 1984
    Assignee: The Eska Company
    Inventor: Donald G. Wolfe
  • Humidifier
    Patent number: D279215
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: June 11, 1985
    Assignee: Gerber Products Company
    Inventors: Joseph R. Mango, Donald G. Wolfe
  • Vaporizer
    Patent number: D279216
    Type: Grant
    Filed: November 16, 1983
    Date of Patent: June 11, 1985
    Assignee: Gerber Products Company
    Inventors: Joseph R. Mango, Donald G. Wolfe
  • Oven
    Patent number: D286368
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: October 28, 1986
    Assignee: Lincoln Manufacturing Company, Inc.
    Inventors: Mitchell C. Henke, Donald G. Wolfe
  • Toaster
    Patent number: D315273
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: March 12, 1991
    Assignee: Hamilton Beach/Proctor-Silex, Inc.
    Inventors: R. Scott Myerly, Donald G. Wolfe
  • Toaster
    Patent number: D328685
    Type: Grant
    Filed: October 16, 1990
    Date of Patent: August 18, 1992
    Assignee: Hamilton Beach/Proctor-Silex, Inc.
    Inventor: Donald G. Wolfe
  • Toaster
    Patent number: D328686
    Type: Grant
    Filed: October 16, 1990
    Date of Patent: August 18, 1992
    Assignee: Hamilton Beach/Proctor-Silex, Inc.
    Inventor: Donald G. Wolfe
  • Toaster
    Patent number: D338592
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: August 24, 1993
    Assignee: Hamilton Beach/Proctor-Silex, Inc.
    Inventors: Terry L. Myers, Donald G. Wolfe