Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776354 | Filtered smoking article | Alan B. Norman, Thomas A. Perfetti | 1988-10-11 |
| 4488887 | Cold trap | Anthony L. Angel, James L. Harris | 1984-12-18 |
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776354 | Filtered smoking article | Alan B. Norman, Thomas A. Perfetti | 1988-10-11 |
| 4488887 | Cold trap | Anthony L. Angel, James L. Harris | 1984-12-18 |