Patents by Inventor Bernie R. Hirman

Bernie R. Hirman 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).

  • Patent number: D323874
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: February 11, 1992
    Assignee: Ecowater Systems, Inc.
    Inventors: Bernie R. Hirman, Bruce D. Saaski
  • Patent number: D344783
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: March 1, 1994
    Assignee: Ecowater Systems, Inc.
    Inventors: Bernie R. Hirman, Bruce D. Saaski