Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355231 | Remote analysis using thermal radiation | Keyser K. Lau | 1982-10-19 |
| 4337396 | Method for bitumen analysis and apparatus therefor | Vincent W. King, Keyser K. Lau | 1982-06-29 |