Patents by Inventor Erwin Busch

Erwin Busch 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).

  • Rotatable stand
    Patent number: 4549714
    Abstract: A stand with a rotatable tray positioned thereon. A race formed by a circular groove on the top of a base section and a corresponding circular groove on the underside of the tray permits the tray to rotate on ball bearings held in a ring and positioned in the race. While rotating, lateral motion is curtailed by flared tabs extending from the underside of the tray through an aperture on the top of the base section.
    Type: Grant
    Filed: October 13, 1983
    Date of Patent: October 29, 1985
    Assignee: Thermohauser Erwin Busch GmbH
    Inventor: Erwin Busch