Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4380396 | Method and apparatus for measuring the opacity of sheet material | William A. Arndt, Wayne A. Damrau | 1983-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4380396 | Method and apparatus for measuring the opacity of sheet material | William A. Arndt, Wayne A. Damrau | 1983-04-19 |