Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875515 | Sleeve-mounted spike fitted on a vehicle tire | — | 1989-10-24 |
| 4865100 | Sleeve-mounted spike fitted to a vehicle tire | Unto Linden, Ainetdin Farid | 1989-09-12 |
ES
Erkki Suvanto
Overall (1989): #28,135 of 140,708Top 20%
2
Patents 1989