Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7331533 | Thermoplastic railroad cross-ties | John C. Bayer | 2008-02-19 |
| 6001491 | Thermoplastic photoluminescent pilings and process for making thereof | John C. Bayer | 1999-12-14 |