Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814566 | Push-button keyboard assembly with EMI and RFI-shielded multiple individually-replaceable switch modules | — | 1989-03-21 |
| 4195768 | Roller bearing internal pinion counter | Robert Herr | 1980-04-01 |
| 4185188 | Internal pinion revolution counter and method of assembling the same | — | 1980-01-22 |