Patents by Inventor Frank W. Enderlin

Frank W. Enderlin 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).

  • Controlled environment chamber apparatus
    Patent number: 5169217
    Abstract: Controlled environment chamber apparatus for maintaining biological material under controlled conditions of temperature and/or humidity comprises a cabinet defining a chamber, a door for controlling access to the chamber, and a clean air source for providing a flow of clean air past the chamber opening.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: December 8, 1992
    Assignee: International Portland Corporation
    Inventors: Kenneth L. Orchard, Frank W. Enderlin