Patents by Inventor Robert F. Hird

Robert F. Hird 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).

  • Test kits and methods for evaluating sterilization cycles
    Patent number: 5366872
    Abstract: Methods and kits are provided for detecting viable bacteria or microorganisms at the completion of a sterilization cycle using rapid biological detection systems. The results of the detection systems can be read visually by non-technical personnel within one hour of the sterilization cycle at room temperature, resulting in a quick, cost-effective, and easy-to-use method or diagnostic kit.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: November 22, 1994
    Assignee: Envirocon International Corporation
    Inventors: Robert F. Hird, Edward F. Cosgrove