Patents by Inventor Robert S. Huff

Robert S. Huff 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).

  • Electric cooking utensil
    Patent number: D250448
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: December 5, 1978
    Assignee: National Presto Industries, Inc.
    Inventors: Melvin H. Boldt, Thurber H. Morrison, Robert S. Huff
  • Portable radiant electric heater
    Patent number: D267424
    Type: Grant
    Filed: July 18, 1980
    Date of Patent: December 28, 1982
    Assignee: National Presto Industries, Inc.
    Inventors: Melvin H. Boldt, Thurber H. Morrison, Robert W. Becker, Robert S. Huff
  • Portable radiant electric heater
    Patent number: D271132
    Type: Grant
    Filed: April 8, 1981
    Date of Patent: October 25, 1983
    Assignee: National Presto Industries, Inc.
    Inventors: Melvin H. Boldt, Thurber H. Morrison, Robert W. Becker, Robert S. Huff
  • Food slicer
    Patent number: D275441
    Type: Grant
    Filed: April 7, 1982
    Date of Patent: September 11, 1984
    Assignee: National Presto Industries, Inc.
    Inventors: Robert W. Becker, Thurber H. Morrison, Robert S. Huff, Brent W. Dressel
  • Hot air popcorn popper
    Patent number: D279070
    Type: Grant
    Filed: March 17, 1983
    Date of Patent: June 4, 1985
    Assignee: National Presto Industries, Inc.
    Inventors: Thurber H. Morrison, Robert W. Becker, Robert S. Huff
  • Cooking kettle
    Patent number: D284257
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: June 17, 1986
    Assignee: National Presto Industries, Inc.
    Inventors: Francis J. Greb, Robert S. Huff
  • Vertical computer front panel
    Patent number: D339331
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: September 14, 1993
    Inventors: Gregg C. Montgomery, Robert S. Huff
  • Washing machine
    Patent number: D360501
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: July 18, 1995
    Assignee: Amana Refrigeration Inc.
    Inventors: Lawrence J. Ertz, Robert S. Huff, Douglas V. Montgomery, Gregg C. Montgomery
  • Clothes dryer
    Patent number: D360716
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: July 25, 1995
    Assignee: Amana Refrigeration Inc.
    Inventors: Lawrence J. Ertz, Robert S. Huff, Douglas V. Montgomery, Gregg C. Montgomery