Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10197713 | Light directing film and method for making the same | Alan B. Campbell, Dale L. Ehnes, John F. Van Derlofske, III, Mark R. Dupre, Stephen J. Dreyer +2 more | 2019-02-05 |
| 9810817 | Light directing film and method for making the same | Alan B. Campbell, Dale L. Ehnes, John F. Van Derlofske, III, Mark R. Dupre, Stephen J. Dreyer +2 more | 2017-11-07 |
| 7950838 | Light directing film | Tetsuya Toma, Patrick H. Marushin | 2011-05-31 |
| 5798921 | Audio storage/reproduction system with automated inventory control | Robert Ramion, Wilbur E. Johnson | 1998-08-25 |
| 5407519 | Apparatus for manufacturing liquid crystal display screens | Benjamin Joffe, Werner J. Schrall, Lawrence A. Simon, Tom A. Kerekes | 1995-04-18 |
| 4869497 | Computer controlled exercise machine | Gary D. Stewart, Patricia B. Orman, Joseph W. Lambright, Gary M. Orman, Rodney E. Schwartz | 1989-09-26 |