Granted Patent
Utility
US 6,452,190 · App. 09/621,523
Radiation detector provided with an absorption chamber and a plurality of avalanche chambers
Inventors:
Hendrik J. J. Bolk, Klaus Bethke
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jul 21, 2000
Inventors
Hendrik J. J. Bolk
Klaus Bethke
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.