Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10928285 | Apparatus and a method for performing a standard penetration test | Murray Grant Innes, Jerry Elford Wolverton, Daniel P. Teeuwsen, Scott David Hughes | 2021-02-23 |
| 7537424 | Apparatus and method for handling pipe sections | Ronald W. Innes, Ronald E. Foster, John T. Hackett, Tan N. Nguyen, Daniel P. Teeuwsen | 2009-05-26 |