Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857098 | Sulfur-coated fertilizer granules and process of making same | — | 1989-08-15 |
| 4813982 | Process for obtaining a bisphenol melt | Andrew M. Huey | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857098 | Sulfur-coated fertilizer granules and process of making same | — | 1989-08-15 |
| 4813982 | Process for obtaining a bisphenol melt | Andrew M. Huey | 1989-03-21 |