Patents by Inventor David E. Pollard

David E. Pollard 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).

  • In-vivo radiation counter
    Patent number: 4352019
    Abstract: A radiation counter utilizing at least one detector for sensing radiation from a living body. The radiation counter also includes an aperture for forming a corridor between the body and the detector. A shield outside the corridor prevents passage of background radiation through the corridor and gaining access to the detector. The counter also includes a device for isolating a selected portion of the body from the corridor such that radiation counting is restricted to a region of the body.
    Type: Grant
    Filed: June 6, 1980
    Date of Patent: September 28, 1982
    Assignee: Helgeson Nuclear Services, Inc.
    Inventor: David E. Pollard
  • In-vivo radiation counter or similar article
    Patent number: D275083
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: August 14, 1984
    Assignee: Helgeson Scientific Services
    Inventor: David E. Pollard