Patents by Inventor Nelson R. Gomm

Nelson R. Gomm 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).

  • Portable oil change analyzer
    Patent number: 5377531
    Abstract: A small sample of combustion engine lubrication oil is analyzed, simultaneously, for its viscosity and contamination level in a compact, self-contained, computer-controlled unit. If the combination of viscosity and contamination level falls outside of the acceptable range, which is determined by comparison to a digitally stored matrix of the various states of used motor oil, a warning is displayed recommending that the oil be changed.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: January 3, 1995
    Inventor: Nelson R. Gomm
  • Retractable leash headlight and flasher
    Patent number: D376215
    Type: Grant
    Filed: January 9, 1995
    Date of Patent: December 3, 1996
    Inventors: Nelson R. Gomm, Frances S. Caouette