Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678964 | Method of determining slide straightness and for providing a straight reference surface for a machine tool | — | 1997-10-21 |
| 5659956 | Process for the production of hollow ball bearings | Mikhail Braginsky | 1997-08-26 |