Granted Patent
Utility
US 5,480,182 · App. 08/272,407
Continuous circumference diffuser reaction canister
Inventors:
Donald R. Lauritzen, Bradley W. Smith
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Jul 8, 1994
Inventors
Donald R. Lauritzen
Bradley W. Smith
Assignee (at issue)
Morton International, 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.