Granted Patent
Utility
US 4,871,682 · App. 07/106,018
Diluent carryover control
Inventor:
John Charles Mazza
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Oct 1, 1987
Inventor
John Charles Mazza
Assignee (at issue)
Baxter Travenol Laboratories, Inc.
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.