Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D484614 | Nestable modular underground enclosure | — | 2003-12-30 |
| D478672 | Nestable modular underground enclosure | — | 2003-08-19 |
| 5800752 | Process for manufacture of polymer composite products | — | 1998-09-01 |
| 4348133 | Median barrier construction | Peter F. Trent | 1982-09-07 |
| 4346050 | Polymer concrete having low binder levels | Peter F. Trent | 1982-08-24 |