Patents by Inventor Philip V. Engler

Philip V. Engler 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).

  • Stable, base serum compositions and preparation thereof
    Patent number: 4438202
    Abstract: A consistent, stable serum having good optical qualities and improved filterability suitable for control and calibration uses is disclosed as well as its method of preparation.
    Type: Grant
    Filed: November 30, 1981
    Date of Patent: March 20, 1984
    Assignee: Technicon Instruments Corporation
    Inventors: Philip V. Engler, Steven N. Buhl