Granted Patent
Utility
US 5,554,296 · App. 08/441,022
System and method for purifying waste streams containing water reducible paints
Inventor:
Nashat Zakhary
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: May 15, 1995
Inventor
Nashat Zakhary
Assignee (at issue)
Crown, Cork & Seal Company, 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.