Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877459 | Floor cleaning compositions and their use | Joseph T. Thekkekandam | 1989-10-31 |
| 4877691 | Soil release agent and method to facilitate the cleaning of ovens used for cooking | — | 1989-10-31 |