Granted Patent
Utility
US 6,550,336 · App. 09/991,966
Probe for measuring pressure oscillations
Inventors:
Armin Brehm, Wolfgang Evers, Hugo Wetter, Hanspeter Zinn
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Nov 26, 2001
Inventors
Armin Brehm
Wolfgang Evers
Hugo Wetter
Hanspeter Zinn
Assignee (at issue)
ALSTOM (Switzerland) Ltd
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.