Patents by Inventor Marvin Jeffrey Case

Marvin Jeffrey Case 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).

  • Polarizing beam splitter assembly having reduced stress
    Patent number: 7315418
    Abstract: A polarizing beam splitter includes a multilayer polarizing film, a first cross-linked silicone gel layer disposed on the multilayer polarizing film, a first rigid cover disposed on the cross-linked silicone gel layer, and a second rigid cover disposed adjacent to the multilayer polarizing film.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: January 1, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: James P. DiZio, Maureen C. Nelson, Audrey A. Sherman, Mieczyslaw H. Mazurek, Wendi J. Winkler, Jiaying Ma, Marvin Jeffrey Case