Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11566616 | Pump shaft packing gland and bushing | Victor Christian Iehl, John Hall, Michael R. Crawford | 2023-01-31 |
| 10760685 | Pump shaft packing gland and bushing | Victor Christian Iehl, John Hall, Michael R. Crawford | 2020-09-01 |