Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460757 | Method for manufacturing pre-inked stamps | — | 1995-10-24 |
| 5049432 | Method for preparing a marking structure | Willem Ooms, Frank R. Moss, Jonnie L. Key, Robert E. Ponter | 1991-09-17 |
| 4927695 | Microporous marking structures | Willem Ooms, Frank R. Moss, Jonnie L. Key, Robert E. Ponter | 1990-05-22 |