Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8448385 | Vehicular container lid-latching system | John B. Brewster, Arthur Poulopoulos, Mark Y. Zhan | 2013-05-28 |
| 7618221 | Corner and bulkhead protector | Brian E. O'Neill | 2009-11-17 |
| 6948896 | Load restraining device | Mark Y. Zhan | 2005-09-27 |
| 6860685 | Door edge protection system for conventional autorack railcars | Mark Y. Zhan | 2005-03-01 |
| 6808346 | Cargo snugger strap and hook mechanism | Mark Y. Zhan | 2004-10-26 |
| 6767169 | Cargo snugger strap and hook mechanism | Mark Y. Zhan | 2004-07-27 |
| 6709209 | Railcar anchor and load snugger arrangement | Mark Y. Zhan | 2004-03-23 |
| 6585466 | Railcar anchor and load snugger arrangement | Mark Y. Zhan, David P. Crovetti | 2003-07-01 |
| 6503037 | Door edge protection system for conventional autorack railcars | Mark Y. Zhan | 2003-01-07 |
| 6494651 | Railcar anchor and load snugger arrangement | Mark Y. Zhan | 2002-12-17 |
| 6422794 | Cargo snugger strap and hook mechanism | Mark Y. Zhan | 2002-07-23 |