Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816679 | Light assembly | Stephen K. Eckhardt, Barry S. Carpenter, David A. Ender, Mark E. Napierala, Jennifer J. Sahlin +3 more | 2017-11-14 |
| 9200775 | Light assembly | Stephen K. Eckhardt, Barry S. Carpenter, David A. Ender, Mark E. Napierala, Jennifer J. Sahlin +3 more | 2015-12-01 |
| 8794809 | Light injection coupler for coupling light guides | David G. Freier, Kenneth A. Epstein, Scott D. Gullicks | 2014-08-05 |
| 8059217 | Stereoscopic 3D liquid crystal display apparatus with slatted light guide | Robert L. Brott, William J. Bryan, Michael A. Meis, John C. Schultz | 2011-11-15 |
| 7911547 | Stereoscopic 3D liquid crystal display apparatus with slatted light guide | Robert L. Brott, William J. Bryan, Michael A. Meis, John C. Schultz | 2011-03-22 |
| 7800708 | Stereoscopic 3D liquid crystal display with segmented light guide | Robert L. Brott, Dale L. Ehnes, Michael A. Meis, John C. Nelson | 2010-09-21 |
| 7677780 | Light guide orientation connector | Scott D. Gullicks, Joerg R. Purfuerst, Guenter M. Zilligen | 2010-03-16 |
| 7611271 | Efficient light injector | Michael A. Meis, Scott D. Gullicks, Charles D. Hoyle | 2009-11-03 |
| 6863428 | Light guide illumination device appearing uniform in brightness along its length | — | 2005-03-08 |
| 6848822 | Light guide within recessed housing | Todd A. Ballen, Michael C. Lea, Stephen Randall | 2005-02-01 |
| 6623667 | Method for continuous fabrication of structured surface light guides | — | 2003-09-23 |
| 6618530 | Apparatus for transporting and distributing light using multiple light fibers | — | 2003-09-09 |
| 6614972 | Coupler for transporting and distributing light to multiple locations with uniform color and intensity | — | 2003-09-02 |
| 6379592 | Method and apparatus for seamless microreplication using an expandable mold | Kevin M. Eliason | 2002-04-30 |
| 6367941 | Illumination device for producing predetermined intensity patterns | Michael C. Lea | 2002-04-09 |
| 6267492 | Illumination device with side emitting light guide | Thomas J. Reid | 2001-07-31 |
| 6259855 | Illumination device and method for making the same | — | 2001-07-10 |
| 6126360 | Raised retroreflective pavement marker | David C. May, Sithya S. Khieu, Cristina U. Thomas, Warren J. Johnson, Ronald W. Gerdes | 2000-10-03 |
| 6077462 | Method and apparatus for seamless microreplication using an expandable mold | Kevin M. Eliason | 2000-06-20 |
| 6039553 | Apparatus for molding light extraction structures onto a light guide | Kevin M. Eliason | 2000-03-21 |
| 6033604 | Method for molding light extraction structures onto a light guide | Kevin M. Eliason | 2000-03-07 |
| 5905826 | Conspicuity marking system including light guide and retroreflective structure | Olester Benson, Jr. | 1999-05-18 |
| 5898810 | Illumination waveguide and method for producing same | Douglas A. Devens, Jr., Craig R. Hoff, Paul F. Tuckner | 1999-04-27 |
| 5869412 | Metal fibermat/polymer composite | Donald M. Yenni, Jr., Robert L. Lambert, Clyde D. Calhoun, David C. Koskenmaki | 1999-02-09 |
| 5845038 | Optical fiber illumination system | Michael C. Lea | 1998-12-01 |