Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952265 | Mat consisting of filament loop aggregations and method and apparatus for producing the same | Minoru Yamanaka | 1990-08-28 |
| 4859516 | Mat consisting of filament loop aggregations and method and apparatus for producing the same | Minoru Yamanaka | 1989-08-22 |