Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11253933 | Non-orthogonal cube corner elements and arrays thereof made by end milling | Nelson D. Sewall, Christopher Grinde, Kenneth L. Smith | 2022-02-22 |
| 11016229 | Optical filter | John A. Wheatley, Gilles J. Benoit, Kenneth L. Smith, Guanglei Du, Edward J. Kivel +3 more | 2021-05-25 |
| 10586446 | Sign to vehicle identification system | Jeffrey D. Janovec, Kenneth L. Smith, Michael R. Duoos, Travis L. Potts, James W. Howard +1 more | 2020-03-10 |
| 10502875 | Microtiled prismatic cube corner articles | Kenneth L. Smith, Nelson D. Sewall | 2019-12-10 |
| 10339804 | Sign to vehicle identification system | Jeffrey D. Janovec, Kenneth L. Smith, Michael R. Duoos, Travis L. Potts, James W. Howard +1 more | 2019-07-02 |
| 9703023 | Microtiled prismatic cube corner articles | Kenneth L. Smith, Nelson D. Sewall | 2017-07-11 |
| 9293622 | Re-emitting semiconductor carrier devices for use with LEDs and methods of manufacture | Terry L. Smith, Catherine A. Leatherdale, Michael A. Haase, Thomas J. Miller, Xiaoguang Sun +2 more | 2016-03-22 |
| 9136429 | Multilayer construction | Jun-Ying Zhang, Michael A. Haase, Terry L. Smith | 2015-09-15 |
| 8846518 | Multilayer construction | Jun-Ying Zhang, Michael A. Haase, Terry L. Smith | 2014-09-30 |
| 8193543 | Monochromatic light source with high aspect ratio | Catherine A. Leatherdale, Michael A. Haase | 2012-06-05 |
| 8026115 | Optical bonding composition for LED light source | Amy S. Barnes, D. Scott Thompson, Brant U. Kolb, Jacqueline C. Rolf, Robert L. Brott | 2011-09-27 |
| 8013345 | Optical bonding composition for LED light source | Amy S. Barnes, D. Scott Thompson | 2011-09-06 |
| 8004767 | Process for making microlens arrays and masterforms | Robert J. DeVoe, Dora M. Paolucci, Craig R. Sykora, Douglas S. Dunn, Jeffrey M. Florczak +1 more | 2011-08-23 |
| 7790353 | Multidirectional photoreactive absorption method | Patrick R. Fleming, Robert J. DeVoe, Catherine A. Leatherdale, Jeffrey M. Florczak | 2010-09-07 |
| 7583444 | Process for making microlens arrays and masterforms | Robert J. DeVoe, Dora M. Paolucci, Craig R. Sykora, Douglas S. Dunn, Jeffrey M. Florczak +1 more | 2009-09-01 |
| 7166409 | Multipass multiphoton absorption method and apparatus | Patrick R. Fleming, Robert J. DeVoe, Catherine A. Leatherdale, Jeffrey M. Florczak | 2007-01-23 |
| 6848822 | Light guide within recessed housing | Michael C. Lea, David J. Lundin, Stephen Randall | 2005-02-01 |
| 6567215 | Beaded rear projection screen with tunable gain | Robert S. Moshrefzadeh | 2003-05-20 |