Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D316982 | Pressure gauge housing | — | 1991-05-21 |
| 4838090 | Multicoil bourdon tube type pressure gauge | — | 1989-06-13 |
| D301018 | Gas pressure measuring and data transmitting device | — | 1989-05-09 |
| 4718279 | Dual bourdon tube type sensing pressure transducer | — | 1988-01-12 |
| 4374475 | Differential pressure gauge | — | 1983-02-22 |