Granted Patent
Utility
US 6,561,694 · App. 09/744,880
Method and device for calibrating measurements of temperatures independent of emissivity
Inventors:
Wilfried Lerch, Markus Hauf
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 19, 2001
Inventors
Wilfried Lerch
Markus Hauf
Assignee (at issue)
Steag RTP Systems GmbH
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.