Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5685570 | Postage stamps | Robert D. Gray, Ross McDougall | 1997-11-11 | |
| 5021147 | Solid addition and withdrawal | Roger P. Van Driesen, William R. Adams, Mario Baldasarri, Harold J. Trimble | 1991-06-04 | $379,000 |
| 4875995 | Solid addition and withdrawal | Roger P. Van Driesen, William R. Adams, Mario Baldasarri, Harold J. Trimble | 1989-10-24 | $4,974,000 |
| 4744887 | Solid addition and withdrawal | Roger P. Van Driesen, William R. Adams, Mario Baldasarri, Harold J. Trimble | 1988-05-17 | $3,136,000 |
| 4707245 | Temperature control for hydrogenation reactions | Mario Baldasarri, William R. Adams | 1987-11-17 | $2,631,000 |
| 4684456 | Control of bed expansion in expanded bed reactor | Roger P. Van Driesen, William R. Adams, Mario Baldasarri, Harold J. Trimble | 1987-08-04 | $3,849,000 |
| 4457834 | Recovery of hydrogen | Rinaldo Kramer | 1984-07-03 | $2,866,000 |