Granted Patent
Utility
US 5,871,693 · App. 08/659,808
Modular blood treatment cartridge
Inventor:
Erin J. Lindsay
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jun 7, 1996
Inventor
Erin J. Lindsay
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.