Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5359314 | Core and coil assembly for an amorphous-steel cored electric transformer | William E. McCain, Ram R. P. Sinha | 1994-10-25 | $18,898,000 |
| 4862307 | Dual voltage distribution transformer with internal varistor surge protection | Carl A. Larson, Charles J. McMillen | 1989-08-29 | $7,718,000 |
| 4339630 | Bushing design with crimped adapter for retaining conductor | — | 1982-07-13 | $2,049,000 |