Granted Patent
Utility
US 6,027,572 · App. 08/880,662
Cleaning method for removing biofilm and debris from lines and tubing
Inventors:
Mohamed Emam Labib, Ching-Yue Lai
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Jun 23, 1997
Inventors
Mohamed Emam Labib
Ching-Yue Lai
Assignee (at issue)
Princeton Trade & Technology, 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.