Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834774 | Charcoal fuel article | James E. Fay, Frederick J. Hrubecky, Doris A. Mills, Wilbert Heikkinen, Rory D. Williams +1 more | 1989-05-30 |
| 4810255 | Manufactured fuel article | James E. Fay | 1989-03-07 |