Granted Patent
Utility
US 6,491,007 · App. 09/443,923
Hydraulically controllable globe valve
Inventors:
Michael Kübel, Knud Lembke, Ulrich Letsche, Rudolf Thom
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Nov 19, 1999
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.