Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573667 | Apparatus for quenching substantially flat workpieces | Ronald A. Harrison, Vartan M. Tavitian | 1986-03-04 |
| 4462577 | Apparatus for gas cooling work parts under high pressure in a continuous heat treating vacuum furnace | — | 1984-07-31 |