Granted Patent
Utility
US 4,954,709 · App. 07/394,331
High resolution directional gamma ray detector
Inventors:
Arie Zigler, Yosset Eisen, Yossef Eisen
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Aug 16, 1989
Inventors
Arie Zigler
Yosset Eisen
Yossef Eisen
Assignee (at issue)
Apti 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.