Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244554 | Springless diaphragm valve | Herbert H. Kaemmer, Noel Otto, Roger G. Riefler | 1981-01-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244554 | Springless diaphragm valve | Herbert H. Kaemmer, Noel Otto, Roger G. Riefler | 1981-01-13 |