Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691993 | Transparent sheets containing directional images and method for forming the same | Gerald R. Porter, Thomas I. Bradshaw | 1987-09-08 |
| 4688894 | Transparent retroreflective sheets containing directional images and method for forming the same | — | 1987-08-25 |
| 4634220 | Directionally imaged sheeting | Bruce D. Orensteen, Thomas I. Bradshaw, Frank A. Borgeson | 1987-01-06 |
| 4608052 | Implant with attachment surface | Craig Van Kampen | 1986-08-26 |