Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701735 | Bobbins for electrical coils and method of manufacturing electrical coils therefrom | John Hill, Henry Turczanski | 1987-10-20 |
| 4380748 | Bobbins for electrical coils | John Hill | 1983-04-19 |