Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11034904 | Close packing briquet shapes | Stephen Fisher, Donald K. Swatling, Stefan Brown | 2021-06-15 |
| D910537 | Combustible briquet | Stephen Fisher, Donald K. Swatling, Stefan Brown | 2021-02-16 |