Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436289 | Method and apparatus for controlling the atmosphere in a carburizing furnace utilizing a cascaded valving system | John J. Connelly | 1984-03-13 |
| 4412752 | Method and apparatus for determining the cooling characteristics of a quenching medium | John J. Connelly | 1983-11-01 |
| 4373973 | Method of manufacture of high performance gears | John A. Halgren | 1983-02-15 |