Granted Patent
Utility
US 6,533,933 · App. 10/019,836
Filtration module including unitary filter cartridge-bowl construction
Inventors:
Ralph Stankowski, John Milcetich
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Nov 9, 2001
Inventors
Ralph Stankowski
John Milcetich
Assignee (at issue)
Mykrolis Corporation
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.