Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4637431 | Supply control valve with integral pressure limiter | — | 1987-01-20 | |
| 4540020 | Supply control valve with integral pressure limiter | — | 1985-09-10 | |
| 4516604 | Pilot operated supply and waste control valve | — | 1985-05-14 | |
| 4516605 | Four-way control valve | — | 1985-05-14 | |
| 4303287 | Locking mechanism for a storage cabinet | — | 1981-12-01 | $1,358,000 |
| 4296983 | Edge joint for sheets | Stanley J. C. Rogers | 1981-10-27 | $680,000 |