Granted Patent
Utility
US 6,601,552 · App. 10/285,094
Hydraulically controllable globe valve
Inventors:
Michael Kübel, Knud Lembke, Ulrich Letsche, Rudolf Thom
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Oct 31, 2002
Inventors
Michael Kübel
Knud Lembke
Ulrich Letsche
Rudolf Thom
Assignee (at issue)
Daimlerchrysler AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.