Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556425 | Anti-rust agent, method of producing the same and method of preventing corrosion | Jarl Johan Lindberg, Erkki Strom | 1985-12-03 |
| 4239667 | Method for preparing polyurethane coatings from a neutral substance of mixed soap | J. Johan Lindberg | 1980-12-16 |