Patents by Inventor Harry David Bush

Harry David Bush 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: 9259332
    Abstract: An improved prosthetic device with a vacuum system for maintaining a negative pressure seal between the socket and the residual limb. The vacuum system includes a vacuum surge chamber which maintains seal vacuum and increases battery life. The system is small, lightweight, and concealable within the prosthetic device so that it neither impedes use of the device nor detracts from a cosmetically accurate limb.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: February 16, 2016
    Assignee: Lincolnshire Manufacturing, LLC
    Inventors: Morris J Danzig, Harry David Bush, Donald Ray McKinney
  • Publication number: 20080147202
    Abstract: An improved prosthetic device with a vacuum system for maintaining a negative pressure seal between the socket and the residual limb. The vacuum system includes a vacuum surge chamber which maintains seal vacuum and increases battery life. The system is small, lightweight, and concealable within the prosthetic device so that it neither impedes use of the device nor detracts from a cosmetically accurate limb.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 19, 2008
    Inventors: Morris J. Danzig, Harry David Bush, Donald Ray McKinney