Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820486 | Pressure gauge having mechanism for opening and closing transparent cover plate | — | 2004-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820486 | Pressure gauge having mechanism for opening and closing transparent cover plate | — | 2004-11-23 |