Granted Patent
Utility
US 4,034,601 · App. 05/675,936
Method and apparatus for determining coagulation times
Inventor:
Mario Theodore Geiger
Patented Case
View Patent ↗
Granted: Jul 12, 1977
Filed: Apr 12, 1976
Inventor
Mario Theodore Geiger
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.