Patents by Inventor Peter Raymond Johnson

Peter Raymond Johnson 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).

  • Crystalline sodium phenytoin monohydrate
    Patent number: 6245917
    Abstract: Crystalline sodium phenytoin monohydrate is stable, nonhygroscopic, and water soluble.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: June 12, 2001
    Assignee: Warner-Lambert Company
    Inventors: Robert Lee Bosch, Peter Raymond Johnson, Robert Joseph Stahl