Patents by Inventor Walter P. Protzman

Walter P. Protzman 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).

  • Patent number: 4051232
    Abstract: An in vitro test method for the diagnosis of systemic candidiasis in mammals is carried out with an antigen solution containing a specified concentration and ratio of protein antigen and mannan antigen whereby false readings are reduced.
    Type: Grant
    Filed: August 12, 1975
    Date of Patent: September 27, 1977
    Assignee: Schering Corporation
    Inventors: Walter P. Protzman, George L. Evans