Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389434 | Permeable grass-like sport surface with fused glass membrane | — | 1983-06-21 |
HP
Herman A. Polman
Overall (All Time): #4,053,348 of 4,157,543Top 100%
1
Patents All Time