Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11732832 | Pipe traversing apparatus and methods | Karl Petter Wehlin, Bryan R. Duerfeldt, Dianna D. Liu, Gary Van Deursen | 2023-08-22 |
| 10914417 | Pipe traversing apparatus and methods | Karl Petter Wehlin, Bryan R. Duerfeldt, Dianna D. Liu, Gary Van Deursen | 2021-02-09 |
| 10465835 | Pipe traversing apparatus and methods | Karl Petter Wehlin, Bryan R. Duerfeldt, Dianna D. Liu, Gary Van Deursen | 2019-11-05 |