Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455039 | Encoded security document | Edward H. Weitzen, Salvatore F. D'Amato, Robert M. Fleming, Manfred R. Kuehnle, Jurgen M. Kruse +1 more | 1984-06-19 |
| 4296176 | Inks for pulsed electrical printing | Donald J. Lennon, John R. Hagerstrom | 1981-10-20 |
| 4273847 | Inks for pulsed electrical printing and methods of producing same | Donald J. Lennon, John R. Hagerstrom | 1981-06-16 |