Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5280272 | Fire alarm system which distinguishes between different types of smoke | Tetsuya Nagashima | 1994-01-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5280272 | Fire alarm system which distinguishes between different types of smoke | Tetsuya Nagashima | 1994-01-18 |