Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657055 | Filling of acetylene cylinders | — | 1987-04-14 |
| 4582100 | Filling of acetylene cylinders | — | 1986-04-15 |
| 4556091 | Method and apparatus for cooling selected wall portions of a pressurized gas cylinder during its filling | — | 1985-12-03 |
| 4521676 | Encoded cap for a pressurized gas cylinder | — | 1985-06-04 |