Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939397 | System for purifying and removing contaminants from gaseous fluids | John Longan, Guan Fumin | 2005-09-06 |
| RE31497 | Anti-friction gibs for presses | — | 1984-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939397 | System for purifying and removing contaminants from gaseous fluids | John Longan, Guan Fumin | 2005-09-06 |
| RE31497 | Anti-friction gibs for presses | — | 1984-01-17 |