Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887152 | Message delivery system operable in an override mode upon reception of a command signal | Atsushi Matsuzaki, Hiroyuki Kobayashi, Hideo Tomita, Kenichi Kikuchi, Kenji Inoue +2 more | 1989-12-12 |