Patents by Inventor Donald L. Ellis

Donald L. Ellis 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).

  • Multiple purpose fixed or portable oxygen delivery system
    Patent number: 5632268
    Abstract: An improved oxygen delivery system for use in a fishing vessel which is capable of distributing oxygen to individual fish and minnow live-well holding tanks for oxygenating the water within each such holding tank to sustain the fish and minnows therewithin, as well as distributing oxygen to a person in need of oxygen, such as in the case of a medical emergency.
    Type: Grant
    Filed: February 2, 1996
    Date of Patent: May 27, 1997
    Inventors: Donald L. Ellis, LeRoy J. Ellis, Duane K. Rorie