Patents by Inventor Allan C. Ahrens

Allan C. Ahrens 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).

  • Spoon thermometer
    Patent number: D477505
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: July 22, 2003
    Assignee: Chaney Instrument Company
    Inventors: Patrick J. Devlin, Allan C. Ahrens, Patricia A. Nielsen
  • Ladle thermometer
    Patent number: D479476
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: September 9, 2003
    Assignee: Chaney Instrument Company
    Inventors: Patrick J. Devlin, Allan C. Ahrens, Pat Nielsen