Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435534 | Method for accumulating, folding and subsetting collation | Richard F. Stengl | 1995-07-25 |
| 4843572 | Inking control method and apparatus for a mailing machine | John J. Stelben | 1989-06-27 |
| 4644541 | Diagnostic test for programmable device in a mailing machine | — | 1987-02-17 |
| 4639918 | Diagnostic control keyboard for a mailing machine | — | 1987-01-27 |