Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6516720 | Printing machines | Wai Cheung | 2003-02-11 |
| 6401618 | Printing machine having reciprocating carriage carrying both cleaning and ink delivery devices | Wai Cheung | 2002-06-11 |
| D436197 | Electric torch | Pierre Becker | 2001-01-09 |
| D409811 | Roll container | — | 1999-05-11 |