Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713174 | Tear tape | — | 2004-03-30 |
| 6141883 | Apparatus for detecting the thickness of documents | Erick Grasmueck | 2000-11-07 |
| 5464099 | Method for the automated processing of documents and bulk mail | Albert F. Stevens, Robert R. DeWitt, William R. Lile, Stephen Clyde Tentarelli | 1995-11-07 |
| 5054620 | Apparatus for the automated processing of bulk mail and the like | Robert R. DeWitt, William R. Lile, Albert F. Stevens | 1991-10-08 |
| 4863037 | Apparatus for the automated processing of bulk mail and the like | Albert F. Stevens, Robert R. DeWitt, William R. Lile, Stephen Clyde Tentarelli | 1989-09-05 |