Patents by Inventor Mace Hudson Bell

Mace Hudson Bell 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).

  • Sphygmomanometer
    Patent number: D243799
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: March 22, 1977
    Assignee: Sybron Corporation
    Inventor: Mace Hudson Bell
  • Sphygmomanometer
    Patent number: D248164
    Type: Grant
    Filed: April 14, 1977
    Date of Patent: June 13, 1978
    Inventors: Mace Hudson Bell, David Lee Haas