Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354709 | Optical film | Alan B. Campbell, Wade D. Kretman, Marvin J. Niezgocki, Timothy L. Hoopman | 2002-03-12 |
| 6322236 | Optical film with defect-reducing surface and method for making same | Alan B. Campbell, Andrew McKee, Wade D. Kretman | 2001-11-27 |
| 6280063 | Brightness enhancement article | Bettie C. Fong, Wade D. Kretman, Keith M. Kotchick, Richard A. Miller, Todd R. Williams +1 more | 2001-08-28 |
| 6262842 | Transflective displays with reflective polarizing transflector | Andrew J. Ouderkirk, Brian D. Cull, Michael F. Weber, David L. Wortman | 2001-07-17 |
| 6210785 | High efficiency optical devices | Michael F. Weber, David L. Wortman, Andrew J. Ouderkirk | 2001-04-03 |
| 6124971 | Transflective displays with reflective polarizing transflector | Andrew J. Ouderkirk, Brian D. Cull, Michael F. Weber, David L. Wortman | 2000-09-26 |
| 6080467 | High efficiency optical devices | Michael F. Weber, David L. Wortman, Andrew J. Ouderkirk | 2000-06-27 |
| 6052164 | Electroluminescent display with brightness enhancement | John F. Dreyer, Jr. | 2000-04-18 |
| 6025897 | Display with reflective polarizer and randomizing cavity | Michael F. Weber, Olester Benson, Jr., James M. Jonza, Andrew J. Ouderkirk, David L. Wortman +1 more | 2000-02-15 |
| 6018419 | Diffuse reflectors | Brian D. Cull, Andrew J. Ouderkirk, Michael F. Weber, David L. Wortman | 2000-01-25 |
| 5919551 | Variable pitch structured optical film | Mark E. Gardiner, Keith M. Kotchick, Kazuhiko Toyooka, William A. Hibbard | 1999-07-06 |
| 5917664 | Brightness enhancement film with soft cutoff | Mark B. O'Neill | 1999-06-29 |
| 5828488 | Reflective polarizer display | Andrew J. Ouderkirk, Olester Benson, Jr., James M. Jonza, Michael F. Weber, David L. Wortman +1 more | 1998-10-27 |
| 5825542 | Diffusely reflecting multilayer polarizers and mirrors | Brian D. Cull, Andrew J. Ouderkirk, Michael F. Weber, David L. Wortman | 1998-10-20 |
| 5771328 | Light directing film having variable height structured surface and light directing article constructed therefrom | David L. Wortman, Mark E. Gardiner | 1998-06-23 |
| 5575550 | Pole light having a programmable footprint | Roger H. Appeldorn, John F. Dreyer, Jr. | 1996-11-19 |
| 5261184 | Greenhouse construction and improved method of growing plants | Roger H. Appeldorn, Paul August Jaster | 1993-11-16 |
| 5190370 | High aspect ratio lighting element | Richard A. Miller, Kenneth A. Aho | 1993-03-02 |
| 5117478 | Device for redirecting light through a hollow tubular light conduit | Michael J. Leite | 1992-05-26 |
| 5095415 | Light fixture for externally illuminated sign | Harry B. Anderson, David L. Wortman | 1992-03-10 |
| 5056892 | Totally internally reflecting thin, flexible film | — | 1991-10-15 |
| 5040883 | Light fixture with beam shaping lens | — | 1991-08-20 |
| 4989125 | Reflector using fresnel-type structures having a plurality of active faces | Richard A. Miller | 1991-01-29 |
| 4984144 | High aspect ratio light fixture and film for use therein | John F. Dreyer, Jr. | 1991-01-08 |
| 4906070 | Totally internally reflecting thin, flexible film | — | 1990-03-06 |