Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702043 | Drilling machine with arc-like drill pipe holder | Hubert Koch, Karl-Robert Rohkamm, Gerald Labedski, Rainer Finkenbusch, Dieter Gude | 2004-03-09 |
| 6202763 | """Twin-impact"" double-blow drilling apparatus" | Dieter Gude | 2001-03-20 |