Granted Patent
Utility
US 4,492,322 · App. 06/373,647
Device for the accurate dispensing of small volumes of liquid samples
Inventors:
Gary M. Hieftje, John Shabushnig
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Apr 30, 1982
Inventors
Gary M. Hieftje
John Shabushnig
Assignee (at issue)
THE TRUSTEES OF INDIANA UNIVERSITY
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.