Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843572 | Inking control method and apparatus for a mailing machine | William J. Linkowski | 1989-06-27 |
| 4817002 | Electronic postage meter non-volatile memory systems having human visually readable and machine stored data | Ronald P. Sansone | 1989-03-28 |