Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294627 | Sump backfill protector | Kevin Allen Webster | 2019-05-21 |
| 8226215 | Jetting module install mechanism | Douglas E. Schultz | 2012-07-24 |
| 6409164 | Feeder pile restrictor and method | Andrew Klopfenstein | 2002-06-25 |
| 6167768 | Lifting apparatus | Edward Limbert | 2001-01-02 |