Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152651 | Underground sprinkler elevating apparatus and method | Leo T. Effenberger | 2000-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152651 | Underground sprinkler elevating apparatus and method | Leo T. Effenberger | 2000-11-28 |