Patents by Inventor Robert R. Workman, JR.

Robert R. Workman, JR. 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).

  • Lift and hold device
    Patent number: 9156657
    Abstract: This invention relates to a free standing lifting device which means that no additional support is required to support the lifting action of the device. The lifting device comprises a lift carriage further comprising at least one lift arm joined to a motor by way of a cable, at least one lift channel having a lift opening for receipt of the lift arm, at least one support arm and at least one support channel having a support opening for receipt of the support arm.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: October 13, 2015
    Inventors: William J. Sturmer, Robert R. Workman, Jr.
  • Lift and hold device
    Publication number: 20110073413
    Abstract: This invention relates to a free standing lifting device which means that no additional support is required to support the lifting action of the device. The lifting device comprises a lift carriage further comprising at least one lift arm joined to a motor by way of a cable, at least one lift channel having a lift opening for receipt of the lift arm, at least one support arm and at least one support channel having a support opening for receipt of the support arm.
    Type: Application
    Filed: September 13, 2010
    Publication date: March 31, 2011
    Inventors: William J. Sturmer, Robert R. Workman, JR.