Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11018536 | Magnet motor with electromagnetic drive | — | 2021-05-25 |
| 7854032 | Portable ramp for motor vehicles | Tuan Nguyen | 2010-12-21 |
| 6702192 | Rail retaining device | — | 2004-03-09 |
| 6431463 | Rail fastening devices | — | 2002-08-13 |
| 6325300 | Rail retaining device | — | 2001-12-04 |
| 6305613 | Rail fastening devices | — | 2001-10-23 |
| 5782406 | Rail tie plate clips and shoulders | — | 1998-07-21 |
| 5335850 | Attenuating pad for concrete railway ties | — | 1994-08-09 |