Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592840 | Method of preventing abrasion at sliding portion of metal-product | — | 1997-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592840 | Method of preventing abrasion at sliding portion of metal-product | — | 1997-01-14 |