Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D574067 | Inline conduit coupling | Brandon Ming-Yung Chi | 2008-07-29 |
| 7325442 | Leak testing device with a permanent coupling | Brandon Ming-Yung Chi | 2008-02-05 |
| D488852 | Conduit coupling | — | 2004-04-20 |
| 6672139 | Leak testing device and a coupling therefor | — | 2004-01-06 |
| 6422064 | Leak testing device | — | 2002-07-23 |
| 6234007 | Leak testing device | — | 2001-05-22 |