Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651623 | Method and system for measuring air/fuel ratio in a hydrogen fueled internal combustion engine | Xiaoguo Tang, Allan Joseph Kotwicki | 2003-11-25 |
| 6502550 | Gaseous fueled engine system and method | Allan Joseph Kotwicki, Steven Joseph Szwabowski, Woong-chul Yang, Yin Chen, Yong-Wha Kim | 2003-01-07 |