Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334931 | Method for producing asbestos free machinable calcium silicate high heat-resistant material | Hiroshi Asaumi, Hisanori Yokoo, Mitsuo Yamamoto | 1982-06-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334931 | Method for producing asbestos free machinable calcium silicate high heat-resistant material | Hiroshi Asaumi, Hisanori Yokoo, Mitsuo Yamamoto | 1982-06-15 |