Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487660 | Multiple wall structure for flexible cable using tubular and spiral corrugations | Edward M. Spencer | 1984-12-11 |
| 4263476 | Insulation spacer for gas-insulated transmission line with improved outer rim structure | — | 1981-04-21 |