Granted Patent
Utility
US 4,820,265 · App. 06/942,271
Tubing set
Inventors:
Allen H. DeSatnick, Herbert D. Marcus, Kenneth E. Merte
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Dec 16, 1986
Inventors
Allen H. DeSatnick
Herbert D. Marcus
Kenneth E. Merte
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.