Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5067100 | Method of calibrating mechanical pressure gauges | Nicholas E. Ortyl, III | 1991-11-19 |
| 4896538 | Convertible socket for pressure gauge | — | 1990-01-30 |
| 4413529 | Adjustably keyed pressure gauge construction | — | 1983-11-08 |
| 4384490 | Pressure gauge construction | — | 1983-05-24 |
| 4214486 | Sealed casing for pressure gauge | Joseph E. Gorgens, Frederick M. Kipp | 1980-07-29 |
| 4196633 | Pressure gauge construction | — | 1980-04-08 |