Patents by Inventor Patty Rehn

Patty Rehn 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).

  • Method and apparatus for detecting mercury vapor content of unconsolidated porous materials
    Patent number: 5479814
    Abstract: A method and apparatus for determining mercury vapor content of a body of earth for the purpose of ascertaining the mercury vapor content and correlating to the expected degree of mineralized character of the body of earth which includes the use of a strip of silver placed within a pocket in the body of earth involved and then after an appropriate exposure time analyzing the silver to determine the mercury vapor content by reason of absorption of vapor therefrom by the silver and the subsequent driving off and measuring thereof.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: January 2, 1996
    Inventor: Patty Rehn