Gross Oesingen
Germany
3
2018-11-22
The entities that hold a legal rights for patent applications filed by inventor Wiegmann Michael:
Michael Wiegmann from Gross Oesingen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Expandable downhole tool assemblies, bottom-hole assemblies, and related methods
#2 | 2016-09-01Expandable reamer assemblies, bottom hole assemblies, and related methods
#3 | 2014-09-04Expandable reamer assemblies, bottom-hole assemblies, and related methods
893367 ⎘