Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786234 | Drainage tile flow regulator | Leo E. Beebout, William Littler IV | 2004-09-07 |
| 6715508 | Drainage tile flow regulator | Leo E. Beebout, William Littler, IV | 2004-04-06 |
| 6672626 | Corrugated pipe connection stabilizing apparatus | Mark P. Gettler, William Littler, IV | 2004-01-06 |