Patents by Inventor Ernest A. Porter

Ernest A. Porter 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).

  • Collar laundering machine
    Patent number: 5255541
    Abstract: A machine for directing a high pressure reciprocating spray of cleaning liquid against a shirt collar; comprising a frame, a work table, reciprocating spray suspended above, and pointing downwardly at the work table, a reservoir of cleaning liquid, a pump to supply the cleaning liquid to the nozzle at high pressure, and a means to move the spray in a reciprocating manner.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: October 26, 1993
    Inventors: Ernest A. Porter, Michael T. Porter