Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874478 | Method of forming a flexible abrasive | Maher Ishak | 1989-10-17 |
| 4826508 | Flexible abrasive coated article and method of making it | Joseph Lazar, Semyon Lvovich | 1989-05-02 |