Granted Patent
Utility
US 4,482,957 · App. 06/318,235
Use of a square root amplifier for statistics limited data
Inventor:
Paul Bjorkholm
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Nov 4, 1981
Inventor
Paul Bjorkholm
Assignee (at issue)
American Science and Engineering, 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.