Granted Patent
Utility
US 4,393,882 · App. 06/207,372
Method and device for collecting, transporting, and delivering micro samples of blood
Inventor:
Fred K. White
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Nov 17, 1980
Inventor
Fred K. White
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.