Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348841 | Outer heat insulating structure on a building roof | Toru Kobayashi | 1982-09-14 |
| 4348993 | Water protecting cap for ventilation opening of distributor | Masahiro Isobe, Setsuo Hoshi | 1982-09-14 |