Granted Patent
Utility
US 5,043,628 · App. 07/497,286
Fast photomultiplier tube having a high collection homogeneity
Inventors:
Jean-Pierre Boutot, Pierre L'Hermite
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Mar 22, 1990
Inventors
Jean-Pierre Boutot
Pierre L'Hermite
Assignee (at issue)
U.S. Philips Corporation
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.