Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4740666 | Electrical discharge machining electrode | Dandridge Tomalin | 1988-04-26 | $10,765,000 |
| 4495558 | Method and apparatus for determining oxide film thickness | Pieter G. Cath, William Loeffler | 1985-01-22 | $5,471,000 |