Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5409526 | Apparatus for supplying high purity fluid | Dao-Hong Zheng, John Irven, Daniel C. Tregear | 1995-04-25 |
| 4551091 | Method for reducing the volume of atmosphere needed to inhibit ingress of ambient oxygen into the furnace chamber of a continuous heat treatment furnace | — | 1985-11-05 |