Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7621388 | Roll and a spring therefor | Jorge Gleizer, Jerker Andersson | 2009-11-24 |
| 4458660 | Apparatus and methods for preparing grinding wheels and performing grinding operations therewith | Johannes Woynowski | 1984-07-10 |