Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375490 | Conveniently oriented receptacle for use in elongated raceways | — | 2002-04-23 |
| 5394289 | Fuse opening linkage apparatus for immersion detection circuit interrupter | Wan Yiu Keung | 1995-02-28 |
| 5317128 | Electric heating unit for heating container space to variable temperature with constant electric current | — | 1994-05-31 |
| 5157369 | Circuit breaker switch | — | 1992-10-20 |