Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829164 | Counter | Achim J. Rudolph, Arnold C. Johnson | 1989-05-09 |
| 4431909 | Counter assembly | — | 1984-02-14 |
| 4321495 | Rotary pulse generator | — | 1982-03-23 |
| 4318018 | Rotary pulse generator | — | 1982-03-02 |