Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457911 | Blocks and connector for mechanically-stabilized earth retaining wall having soil-reinforcing sheets | Zehong Yuan Pe | 2002-10-01 |
| 6447211 | Blocks and connector for mechanically-stabilized earth retaining wall having soil-reinforcing sheets and method for constructing same | Zehong Yuan | 2002-09-10 |
| 6443662 | Connector for engaging soil-reinforcing grid to an earth retaining wall and method for same | Zehong Yuan | 2002-09-03 |
| 6443663 | Self-locking clamp for engaging soil-reinforcing sheet in earth retaining wall and method | Zehong Yuan Pe | 2002-09-03 |