Granted Patent
Utility
US 5,645,114 · App. 08/251,597
Dispensing assembly with interchangeable cartridge pumps
Inventors:
Steven A. Bogen, Herbert H. Loeffler
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: May 31, 1994
Inventors
Steven A. Bogen
Herbert H. Loeffler
Assignee (at issue)
Cytologix 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.