Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7007980 | Duct connection assemble between a branch duct and a main duct | Norio Otsuga, Hiroshi Enami | 2006-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7007980 | Duct connection assemble between a branch duct and a main duct | Norio Otsuga, Hiroshi Enami | 2006-03-07 |