Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343705 | Method and apparatus for maintaining a required temperature differential in vacuum deaerators | Roderick E. Athey, Elliot Spencer | 1994-09-06 |
| 5297389 | Method and apparatus for maintaining a required temperature differential in vacuum deaerators | Roderick E. Athey, Elliot Spencer | 1994-03-29 |