Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4248647 | Method for producing acoustical ceiling tile faced with a smooth distortion free decorative thin plastic film | Jay D. Shenk | 1981-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4248647 | Method for producing acoustical ceiling tile faced with a smooth distortion free decorative thin plastic film | Jay D. Shenk | 1981-02-03 |