Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690759 | Centrifugal and impingement oil separator | — | 1987-09-01 |
| 4685310 | Multi-purpose valve assembly | Rudolph Stegmann | 1987-08-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690759 | Centrifugal and impingement oil separator | — | 1987-09-01 |
| 4685310 | Multi-purpose valve assembly | Rudolph Stegmann | 1987-08-11 |