Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849564 | Finely divided silicone rubber additive material and method for producing same | Koji Shimizu, Mitsuo Hamada | 1989-07-18 |
| 4808483 | Primer compositions | Ryuzo Mikami | 1989-02-28 |