Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8342778 | Method and apparatus for facilitating the subterranean support of underground conduits having a fixed insertion axis | John W. Jinnings | 2013-01-01 |
| 8096733 | Apparatus for inserting sheet pile having an independently adjustable insertion axis and method for using the same | John W. Jinnings | 2012-01-17 |
| 7387173 | Pile driver | John W. Jinnings | 2008-06-17 |