Patents by Inventor Theodore A. Trkla

Theodore A. Trkla 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: 4949408
    Abstract: An all purpose self powered wheelchair that permits the user to become self sufficient by permitting the user to move about, relieve themselves of bodily wastes, change their own bedpan, exercise, receive intravenous transfer of fluids, change positions, and also permits a person to assist the wheelchair user in transferring the wheelchair user from a bed to a wheelchair or from a wheelchair to a bed without the person having to lift the wheelchair user.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: August 21, 1990
    Inventor: Theodore A. Trkla
  • Patent number: 3943837
    Abstract: A dual purpose cooking device is provided in which foods may be cooked simultaneously on a barbecue grill and a rotisserie bar. The cooking device is portable, versatile, and efficient. Cooking temperature and speed are varied by adjusting height of fuel tray and barbecue grill.
    Type: Grant
    Filed: May 8, 1975
    Date of Patent: March 16, 1976
    Inventor: Theodore Trkla
  • Patent number: D269148
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: May 31, 1983
    Assignee: Capital Industries, Inc.
    Inventors: Theodore Trkla, William A. Throolin