Patents by Inventor Walter A. Schmidt

Walter A. Schmidt 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).

  • Mobile chair for panoramic dental x-ray machine
    Patent number: 4044265
    Abstract: A mobile chair for a panoramic dental x-ray machine is provided with locking means for establishing the chair in proper position for radiography with a patient on it and for enabling the chair to be rolled out and away from the machine for being replaced by an ordinary wheel chair.
    Type: Grant
    Filed: March 5, 1976
    Date of Patent: August 23, 1977
    Assignee: General Electric Company
    Inventor: Walter A. Schmidt
  • Mobile rotary drill rig
    Patent number: D253535
    Type: Grant
    Filed: January 19, 1977
    Date of Patent: November 27, 1979
    Assignee: Chicago Pneumatic Tool Co.
    Inventors: Walter A. Schmidt, Jack D. Smith, Jay R. Cory
  • Ski rope reel or the like
    Patent number: D314909
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: February 26, 1991
    Inventor: Walter A. Schmidt