Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4520138 | Dull, smooth unit soles | — | 1985-05-28 |
| 4377655 | Dull, smooth unit soles | — | 1983-03-22 |
| 4304886 | Mixed coupling agent process | Arthur R. Bean | 1981-12-08 |
| 4229338 | Suede-look shoe soles | David R. Hansen | 1980-10-21 |
| 4216131 | Smooth-look footwear composition | Judith E. Zweig | 1980-08-05 |
| 4216132 | HDPE-Containing footwear composition | Judith E. Zweig | 1980-08-05 |