Patents by Inventor Howard T. Fisher

Howard T. Fisher 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).

  • Symbols for identifying characteristics
    Patent number: 4148507
    Abstract: Presenting a plurality of characteristics by presenting each characteristic using a symbol which per se identifies the characteristic by three concurrent visual impressions (quantity, tone, and extent) and is adaptable for use with any desired grey or tone scale.
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: April 10, 1979
    Inventor: Howard T. Fisher