Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827960 | Dual fluid path breakaway swivel coupling | Leonard R. Nitzberg | 1989-05-09 |
| 4827961 | High velocity fluid swivel joint coupling | Leonard R. Nitzberg | 1989-05-09 |
| 4800913 | Breakaway ball joint swivel coupling | Leonard R. Nitzberg | 1989-01-31 |