Granted Patent
Utility
US 4,582,700 · App. 06/528,487
Products and processes
Inventors:
Richard T. Dean, Fredrick W. Miller, Dennis W. Wester
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Sep 1, 1983
Inventors
Richard T. Dean
Fredrick W. Miller
Dennis W. Wester
Assignee (at issue)
MALLINCKRODT LLC
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.