| 7364314 |
Optical structures |
Robert B. Nilsen |
2008-04-29 |
| 7230764 |
Differentially-cured materials and process for forming same |
Patrick W. Mullen, Robert B. Nilsen |
2007-06-12 |
| 6612723 |
Luminaire system |
John A. Futhey |
2003-09-02 |
| 6537649 |
Retroreflective structure |
David C. Martin, Edward D. Phillips |
2003-03-25 |
| 6206525 |
Miniature micro prism retroreflector |
Robert B. Nilsen |
2001-03-27 |
| 6114011 |
Retroreflective structure |
David C. Martin, Edward D. Phillips |
2000-09-05 |
| 5831766 |
Retroreflective structure |
David C. Martin, Edward D. Phillips |
1998-11-03 |
| 5805339 |
Retroreflective structure |
David C. Martin, Edward D. Phillips |
1998-09-08 |
| 5786066 |
Retroreflective structure |
David C. Martin, Edward D. Phillips |
1998-07-28 |
| 5617247 |
Light signaling device |
— |
1997-04-01 |
| 5512219 |
Method of casting a microstructure sheet having an array of prism elements using a reusable polycarbonate mold |
David C. Martin |
1996-04-30 |
| 5376431 |
Retroreflective microprism sheeting with silver/copper reflecting coating and method of making same |
— |
1994-12-27 |
| 5229882 |
Colored retroreflective sheeting and method of making same |
— |
1993-07-20 |
| 4555161 |
Encapsulated retroreflective material and method of making same |
— |
1985-11-26 |
| 4332847 |
Method for compression molding of retroreflective sheeting and sheeting produced thereby |
— |
1982-06-01 |
| 4279471 |
Retroreflector for road surfaces |
— |
1981-07-21 |
| 4244683 |
Apparatus for compression molding of retroreflective sheeting |
— |
1981-01-13 |