Patents by Inventor Stuart A. Surman

Stuart A. Surman 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: 4120121
    Abstract: An apparatus for collecting gold and other precious metal dust comprising an enclosure defining a working area within which is positioned a rotating, work contacting wheel, an abrasive belt or vibrating abrasive plates. The enclosure comprises a transparent back, a rearwardly slanted floor, spaced sides and a forwardly slanted top having a reflecting under-surface. A lamp mounts exteriorly of the back in position to direct light rays to the under-surface for reflection upon the working area. A pump delivers water from a reservoir to a multi-outlet flow control fitting having a valved nozzle outlet, a valved wash outlet and a free flowing jet return outlet. Hoses are connected respectively to the outlets for work wetting, enclosure cleaning and drain clearing purposes.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: October 17, 1978
    Assignee: Stuart A. Surman
    Inventor: Stuart A. Surman