Celle
Germany
3
2011-05-05
The entities that hold a legal rights for patent applications filed by inventor Schwefe Thorsten:
Thorsten Schwefe from Celle, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Rotary drill bits including bearing blocks
#2 | 2008-12-18Interchangeable bearing blocks for drill bits, and drill bits including same
#3 | 2007-08-30Cutting element insert for backup cutters in rotary drill bits, rotary drill bits so equipped, and methods of manufacture therefor
3371620 ⎘