Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700077 | Line light source including fluorescent colorant | John F. Dreyer, Jr., David M. Burns, Lee A. Pavelka, Bruce D. Orensteen | 1997-12-23 |
| 5670005 | Method for manufacturing improved data display retroreflective sheeting | Thomas F. Look, Robert V. O'Keefe, Craig A. Schmidt, Bruce D. Orensteen, Joseph M. McGrath +2 more | 1997-09-23 |
| 5621571 | Integrated retroreflective electronic display | Heinrich Bantli, Stephen W. Mohn, Edmund J. Ring | 1997-04-15 |
| 5268789 | Retroreflective assembly and process for making same | — | 1993-12-07 |
| 4952023 | Internally illuminated retroreflective sign | Edward S. Shinbach | 1990-08-28 |
| 4714656 | Sheet containing contour-dependent directional image and method for forming the same | Bruce D. Orensteen, Jack E. Cook | 1987-12-22 |
| 4708920 | Microlens sheet containing directional half-tone images and method for making the same | Bruce D. Orensteen | 1987-11-24 |
| 4691993 | Transparent sheets containing directional images and method for forming the same | Gerald R. Porter, Eric N. Hockert | 1987-09-08 |
| 4650283 | Directionally imaged retroreflective sheeting | Bruce D. Orensteen | 1987-03-17 |
| 4645301 | Transparent sheet containing authenticating image and method of making same | Bruce D. Orensteen | 1987-02-24 |
| 4634220 | Directionally imaged sheeting | Eric N. Hockert, Bruce D. Orensteen, Frank A. Borgeson | 1987-01-06 |
| 4268118 | Sheeting useful as a projection screen | Philip V. Palmquist | 1981-05-19 |
| 4216180 | Reinforcing or sealing solid structures or for anchoring bolts therein and cartridges for use in such method | Ronald W. Seemann | 1980-08-05 |