Patents by Inventor Harry A. Brown, Jr.

Harry A. Brown, Jr. 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).

  • Novel aqueous foam formulation and method
    Patent number: 4410508
    Abstract: A stable high expansion foam formulation for use as a single composite soion containing dibenz-(b,f)-1,4-oxazepine and stabilizers selected from the group consisting of glycerine, carboxyl vinyl polymers, and mixtures thereof. A method of using novel high expansion foam for visual obscuration and area denial is also disclosed.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: October 18, 1983
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Harry A. Brown, Jr., Robert F. Durgin
  • Stable aqueous foam formulation, and method of use thereof for visual obscuration and area denial
    Patent number: 4203974
    Abstract: An improved, stable high expansion aqueous foam formulation of a single cosite solution containing a relatively large amount of ammonia. A method of using the ammonia aqueous foam for visual obscuration and area denial is also disclosed.
    Type: Grant
    Filed: March 15, 1978
    Date of Patent: May 20, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Harry A. Brown, Jr., Robert F. Durgin