Granted Patent
Utility
US 6,791,269 · App. 09/774,735
Active photomultiplier tube base
Inventor:
Vladimir Popov
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Jan 31, 2001
Inventor
Vladimir Popov
Assignee (at issue)
Southeastern Universities Research Assn.
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.