Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362269 | Control system for a boiler and method therefor | Arthur Allen, John Y. H. Tsing | 1982-12-07 |
| 4309949 | Method of controlling the opacity of the exhaust of the combustion of solid fuel and air in a furnace | — | 1982-01-12 |