Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622534 | Dead bolt system having multiple security features | J. Clayton Miller, Thomas E. Jasper, Joseph G. DeSieno | 2003-09-23 |
| 4940348 | Platen controlled sheetfeed permitting back-up for erasure | Robert M. Carpenter, William D. Freeman, John E. Passafiume | 1990-07-10 |