Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666166 | Clamping arrangement for diaphragm-type piston | James E. Hart, Allen W. Kyllonen | 1987-05-19 |
| 4232709 | Four-way ball valve | — | 1980-11-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666166 | Clamping arrangement for diaphragm-type piston | James E. Hart, Allen W. Kyllonen | 1987-05-19 |
| 4232709 | Four-way ball valve | — | 1980-11-11 |