Patents by Inventor Clarence I. Glassbrook

Clarence I. Glassbrook 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).

  • Automatic gas analyzer system
    Patent number: 4090392
    Abstract: A method and apparatus for automatically sampling and analyzing a multitude of sample points from an area, using one analyzer and a control system to sequentially send samples for analysis.
    Type: Grant
    Filed: August 1, 1977
    Date of Patent: May 23, 1978
    Assignee: Ethyl Corporation
    Inventors: Isaac L. Smith, Clarence I. Glassbrook