Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859303 | Method and apparatus for removing coating from substrate | Alexander Kalnitsky, Sing-Pin Tay, Jacques Poirier | 1989-08-22 |
| 4836902 | Method and apparatus for removing coating from substrate | Alexander Kalnitsky, Sing-Pin Tay | 1989-06-06 |