Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846641 | Readily-removable floating bushing pump construction | Ferdinandus A. Pieters | 1989-07-11 |
| 4821325 | Endpoint detector | Lawrence R. Rabiner, Jay Wilpon | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846641 | Readily-removable floating bushing pump construction | Ferdinandus A. Pieters | 1989-07-11 |
| 4821325 | Endpoint detector | Lawrence R. Rabiner, Jay Wilpon | 1989-04-11 |