Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328945 | Valve | Peter Lofgren | 1992-08-25 |
| D322657 | Valve actuator | Peter Lofgren | 1991-12-24 |
| 4819691 | Valve device | Peter Lofgren | 1989-04-11 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328945 | Valve | Peter Lofgren | 1992-08-25 |
| D322657 | Valve actuator | Peter Lofgren | 1991-12-24 |
| 4819691 | Valve device | Peter Lofgren | 1989-04-11 |