Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D940341 | Muscle training gear | — | 2022-01-04 |
| 6058666 | Twin-axis prestressed single-tee beam with lower flange and process of construction | — | 2000-05-09 |
| 5948994 | Multi-functional test machine | Ming-Hwa R. Jen | 1999-09-07 |
| 5913648 | Rotatably fastening blind rivet | — | 1999-06-22 |
| 5896609 | Safety method of construction a prestressed cable-stay bridge | — | 1999-04-27 |
| 5867954 | Multi-axis prestressed double-tee beam and method of construction | — | 1999-02-09 |
| 5649778 | Multi-directional hydraulic swivel joint | — | 1997-07-22 |
| 5581040 | Multi-functional hydraulic grip | — | 1996-12-03 |