Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917390 | Hydraulic seal assembly | John M. Lee, Richard J. Vernon, Robert Janian, David A. Rossi | 1990-04-17 |
| 4386795 | Identification device with versatile imprinting means | Donald A. Long, Peter G. Katsenis, Walter W. Mosher, Jr. | 1983-06-07 |
| 4318234 | Identification device with versatile imprinting means | Donald A. Long, Peter G. Katsenis, Walter W. Mosher, Jr. | 1982-03-09 |
| 4285146 | Tamper-resistant identification device | Donald A. Long, Arthur H. Schimmelman | 1981-08-25 |
| 4221063 | Tamper-resistant identification device | Donald A. Long, Arthur H. Schimmelman | 1980-09-09 |