Granted Patent
Utility
US 4,777,141 · App. 06/799,675
Instrument for measuring coagulation parameters and method of use
Inventors:
Claudio Calzi, Luigi Preda
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Nov 19, 1985
Inventors
Claudio Calzi
Luigi Preda
Assignee (at issue)
Fisher Scientific Company, L.L.C.
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.