Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532579 | Printhead-integrated ink level sensor with central clearing resistor | Boon Bing Ng, Patrick Leonard | 2020-01-14 |
| 10449776 | Print head sensing chamber circulation | Alexander Govyadinov, Adam L. Ghozeil, Boon Bing Ng, Patrick Leonard | 2019-10-22 |
| 10099484 | Print head sensing chamber circulation | Alexander Govyadinov, Adam L. Ghozeil, Boon Bing Ng, Patrick Leonard | 2018-10-16 |
| 5644295 | Security device | Jonathan James Whittington Griffiths | 1997-07-01 |