Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835911 | Methods of making steel abrading elements for mass finishing of workpieces and for using same | Stephen J. Nigro | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835911 | Methods of making steel abrading elements for mass finishing of workpieces and for using same | Stephen J. Nigro | 1989-06-06 |