Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591103 | Window sash tilt latch | John Tremble, Kai Zhang | 2009-09-22 |
| D335882 | Roller bearing for a crankshaft | — | 1993-05-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591103 | Window sash tilt latch | John Tremble, Kai Zhang | 2009-09-22 |
| D335882 | Roller bearing for a crankshaft | — | 1993-05-25 |