Granted Patent
Utility
US 6,522,984 · App. 09/607,715
Instant pole-zero corrector for digital radiation spectrometers and the same with automatic attenuator calibration
Inventor:
Valentin T. Jordanov
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Jun 30, 2000
Inventor
Valentin T. Jordanov
Assignee (at issue)
CANBERRA INDUSTRIES, INC.
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.