Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817413 | Method of using an opto-acoustic apparatus for measuring concentration of gas | Toshihiko Uno | 1989-04-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817413 | Method of using an opto-acoustic apparatus for measuring concentration of gas | Toshihiko Uno | 1989-04-04 |