Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823888 | Telescopic boom-mounted concrete pump apparatus | — | 2004-11-30 |
| 6763821 | Forced air projectile attachments | Gregory Kuppler | 2004-07-20 |
| 6679284 | Telescopic boom-mounted concrete pump apparatus | — | 2004-01-20 |