Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647921 | Alphanumeric display | Herbert Jacoby, John C. Doane | 1987-03-03 |
| 4497391 | Modular operational elevator control system | Arnold Mendelsohn, Gregory A. Schienda | 1985-02-05 |