Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5255523 | Method and apparatus for determining the solid fraction of a stored cryogenic refrigeration system | Kenneth L. Burgers, Royce J. Laverman, William S. Schoerner | 1993-10-26 |
| 5072600 | Wash column ice-pack bottom detection device | — | 1991-12-17 |