Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209222 | Spiral heat exchanger header | — | 2021-12-28 |
| 11117136 | System, method and apparatus for upgrading a pulverizer | Douglas W. Crafts | 2021-09-14 |
PC
Paul M. Colson
Overall (2021): #124,796 of 548,734Top 25%
2
Patents 2021