Patents by Inventor Clarence Glenn Henderson

Clarence Glenn Henderson 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).

  • Detection of products of combustion
    Patent number: RE28915
    Abstract: A self-contained, self-powered, early warning fire detector and alarm of small size and attractive appearance especially adapted for use in residences; the detector including readily accessible sensitivity control and operability test means, and having a standby power source which additionally serves to monitor the primary power source and inform occupants of malfunction of the primary power source.
    Type: Grant
    Filed: July 13, 1973
    Date of Patent: July 20, 1976
    Assignee: BRK Shareholders' Committee
    Inventors: Wilbur L. Ogden, Clarence Glenn Henderson