Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353848 | Method of filling gas cylinders | Shuen-Cheng Hwang, Ramachandran Krishnamurthy | 1994-10-11 |
| 5326504 | Ordered packing | — | 1994-07-05 |
| 4758257 | Gas liquefaction method and apparatus | John Marshall | 1988-07-19 |
| 4740223 | Gas liquefaction method and apparatus | — | 1988-04-26 |