Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214869 | Furnace with radiant burndown tube | Arvind C. Thekdi, Klaus H. Hemsath, Frank J. Vereecke, Steven H. Verhoff | 1980-07-29 |
| 4191598 | Jet recirculation method for vacuum carburizing | Wallace J. Titus | 1980-03-04 |