Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678986 | Electric transformer with selectively energized modular circuits | — | 1987-07-07 |
| 4194616 | Helical conveyors | Roger S. Barbedienne | 1980-03-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678986 | Electric transformer with selectively energized modular circuits | — | 1987-07-07 |
| 4194616 | Helical conveyors | Roger S. Barbedienne | 1980-03-25 |