Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603226 | Process for manufacturing creosote with non-settling out salts | George H. Collingwood, Gail L. Erickson, Roger L. Haley, Bill E. Sparling | 1986-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603226 | Process for manufacturing creosote with non-settling out salts | George H. Collingwood, Gail L. Erickson, Roger L. Haley, Bill E. Sparling | 1986-07-29 |