Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D514015 | Almond shaped diamond | — | 2006-01-31 |
| D513205 | Lemon shaped diamond | — | 2005-12-27 |
| D490391 | Mobile communication device | John Chen | 2004-05-25 |
| 6493912 | Stone setting methods | — | 2002-12-17 |
| D409518 | Diamond article of jewelry | — | 1999-05-11 |
| 4488556 | AC Mode operation of chemfet devices | — | 1984-12-18 |
| 4466879 | Polarographic oxygen sensor | Bryan Thompson, Jiri Kratochvil | 1984-08-21 |
| 4449011 | Method and apparatus for encapsulation of chemically sensitive field effect device | Jiri Kratochvil, Jiri Janata | 1984-05-15 |
| 4393130 | System for encapsulation of semiconductor chips | Jiri Kratochvil | 1983-07-12 |