Patents by Inventor David W. Shenton

David W. Shenton 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).

  • Enhanced fracture healing and muscle exercise through defined cycles of electric stimulation
    Patent number: 4620543
    Abstract: Method for applying electro-muscular stimulation within a specific range of on/off cycle wherein the length of the on/off cycle is related to the level of phosphocreatine within the muscle. The on cycle is for a period of from one to three seconds followed by an off cycle of from 50 to 110 seconds in order to reduce the level of phosphocreatine in the muscle during the on period and allow subsequent recovery during the off period. The cycle is repeated for any desired period.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: November 4, 1986
    Assignee: Richards Medical Company
    Inventors: R. Bruce Heppenstall, David W. Shenton