Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377801 | Oxygen sensor for detecting the oxygen content of an internal combustion engine exhaust gas system | David Charles Weber, Philip R. Woodruff | 1983-03-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377801 | Oxygen sensor for detecting the oxygen content of an internal combustion engine exhaust gas system | David Charles Weber, Philip R. Woodruff | 1983-03-22 |