Granted Patent
Utility
US 4,238,449 · App. 06/040,592
Reagent holder
Inventor:
Fred H. Deindoerfer
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: May 21, 1979
Inventor
Fred H. Deindoerfer
Assignee (at issue)
International Diagnostic Technologies, 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.