Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857392 | Stainblocker and fluorocarbon oil repellents | Alexander S. Kirjanov | 1989-08-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857392 | Stainblocker and fluorocarbon oil repellents | Alexander S. Kirjanov | 1989-08-15 |