Patents by Inventor Lawrence C. Doring

Lawrence C. Doring 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: 4033653
    Abstract: A speaker stand adaptable for selectively supporting different size speaker cabinets. The stand includes four legs respectively having horizontally extending arms which reach inwardly toward the middle of a horizontally disposed platelike member. In one embodiment the platelike member is provided with a group of circular apertures for each leg and wherewith the arms may be fixed to the platelike member at predetermined locations. In another embodiment the platelike member is provided with at least one elongated opening for each leg with an inverted tee shaped groove being provided along the length of each arm. The opening and the groove may be aligned one with the other for receiving a bolt fastener whereby the legs may be fixedly positioned at infinite spacings one from the other.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: July 5, 1977
    Assignee: Support Systems, Inc.
    Inventors: Lawrence C. Doring, Robert E. Williams, Jr.