Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471574 | Dust protection cover for a rotary grinding tool | Hans Rupprecht, Rolf Spangenberg, Diep Chau-Ngoc, Oliver Ohlendorf | 2002-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471574 | Dust protection cover for a rotary grinding tool | Hans Rupprecht, Rolf Spangenberg, Diep Chau-Ngoc, Oliver Ohlendorf | 2002-10-29 |