Patents by Inventor Lee S. Garretson

Lee S. Garretson 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: 5193561
    Abstract: An apparatus comprising: a work chamber (14) in which may be placed an object to be cleaned, and a cover (32) to enclose the work chamber; a fluid delivery system (52, 54) for delivering cleaning solvent to the work chamber (14) including a pump (40) for pressurizing the solvent; a first and second switch (204,210) for activiating and deactivating the operation of the pump means; and a fluid timer (220), in communication with the fluid delivery system, for causing at least one switch to be activated and thereafter after a predetermined time deactived terminating operation of the pump.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: March 16, 1993
    Assignee: Herkules Equipment Company
    Inventors: Richard A. Robb, Lee S. Garretson, Michael J. Grubb