Granted Patent
Utility
US 6,619,302 · App. 09/162,698
Cleaning composition and apparatus for removing biofilm and debris from lines and tubing and method therefor
Inventors:
Mohamed Emam Labib, Ching-Yue Lai
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Sep 29, 1998
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.