Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4872910 | Antistatic floor polish | Kenneth K. Ko | 1989-10-10 | $6,754,000 |
| 4230605 | Cleaning composition for no-wax vinyl composition floor covering | Arlene D. Connolly, Edgar W. Knaub | 1980-10-28 | $893,000 |