Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623584 | Expandable phenolic resin-coated composite beads, a process for production thereof and a process for molding thereof | Shigetoshi Tanaka, Yoshikazu Kobayashi | 1986-11-18 |