Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7714056 | Railroad tie and method for making same | Henry W. Sullivan, Gregory P. Krouse | 2010-05-11 |
| 7195473 | Railroad tie and method for making same | Henry W. Sullivan, Gregory P. Krouse | 2007-03-27 |
| 6828372 | Railroad tie and method for making same | Henry W. Sullivan, Gregory P. Krouse | 2004-12-07 |