Patents by Inventor Marshall Baldwin Hart

Marshall Baldwin Hart 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: 5978209
    Abstract: A lock-down device for use in a circuit breaker assembly. The device comprises a base for releasably securing the device to the assembly's saddle, an arm portion connected to the base, and a hand portion, connected to the arm portion, for engaging the housing of a first circuit breaker such that when the first circuit breaker and a second circuit breaker is mounted on the saddle the hand portion is intermediate the first and second circuit breakers and the first circuit breaker cannot be inadvertently removed from the saddle. In an alternative embodiment, the hand portion of the device comprises flanges for engaging and permitting the lock-down of the second circuit breaker as well.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: November 2, 1999
    Assignee: General Electric Company
    Inventors: Wade A. Montague, David Arnold Reid, Jon Peter McCuin, Marshall Baldwin Hart