Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885642 | Laser leveling tool with gesture control | Chi Fung Michael Chan, Yuk Wah Siu, Wah Pong Chan, Chun Pong David Chan | 2024-01-30 |
| 8465136 | Ink cartridge refill apparatus | — | 2013-06-18 |
| 8251468 | Ink refill kit | — | 2012-08-28 |
| 7631869 | System and method for gap length measurement and control | Brian Bowers, Christopher Crutchfield, Gary Van Ermen | 2009-12-15 |
| D580971 | Ink cartridge | — | 2008-11-18 |
| D580972 | Ink cartridge | — | 2008-11-18 |
| D575331 | Ink cartridge | — | 2008-08-19 |
| D570905 | Ink cartridge | — | 2008-06-10 |
| 7325909 | Automatic ink refill system and methods | — | 2008-02-05 |
| 7303267 | Actuator for automatic ink refill system | — | 2007-12-04 |
| 6971740 | Ink cartridge refill system and method of use | — | 2005-12-06 |
| 6799610 | Method and apparatus for refilling an ink cartridge | — | 2004-10-05 |
| 6347863 | Ink cap | — | 2002-02-19 |
| 5906143 | Ink cartridge opener | — | 1999-05-25 |
| 5546830 | Ink cartridge opener | — | 1996-08-20 |