Granted Patent
Utility
US 4,555,629 · App. 06/529,439
Method and apparatus for determination of sample homogeneity in scintillation counting
Inventors:
Leroy J. Everett, Stanley J. DeFilippis
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Sep 6, 1983
Inventors
Leroy J. Everett
Stanley J. DeFilippis
Assignee (at issue)
Packard Instrument Company, 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.