Granted Patent
Utility
US 6,604,869 · App. 10/062,997
Film processor effluent handling system
Inventors:
Michael Davis, Marland Chow
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Feb 2, 2002
Inventors
Michael Davis
Marland Chow
Assignee (at issue)
Phogenix Imaging 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.