Granted Patent
Utility
US 4,701,415 · App. 06/585,851
Controlled atmosphere enclosure
Inventors:
Edmund L. Dutton, Glenn D. Selfridge, Russell C. Tipton
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Mar 2, 1984
Inventors
Edmund L. Dutton
Glenn D. Selfridge
Russell C. Tipton
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.