Granted Patent
Utility
US 4,379,847 · App. 06/225,098
Suspending medium for immunologic reactions
Inventors:
Mitchell J. Fruitstone, Michele M. Tilly, Betty G. Pixton
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Jan 14, 1981
Inventors
Mitchell J. Fruitstone
Michele M. Tilly
Betty G. Pixton
Assignee (at issue)
American Hospital Supply Corp.
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.