Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887415 | Automated lawn mower or floor polisher | — | 1989-12-19 |
| 4818658 | Photoactive esterification product of a diazooxide compound and a curcumin dye and photoresist materials with product | M. Martha Rajaratnam, Pamela Turci | 1989-04-04 |