Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177424 | Instrument handle for use with interchangeable batteries | — | 1993-01-05 |
| 5153495 | Convertible battery handle | — | 1992-10-06 |
| 4552153 | Pressure gauge | Richard W. Newman, Andrew Kugler, Herbert H. Loeffler | 1985-11-12 |