Granted Patent
Utility
US 6,435,229 · App. 09/462,690
Bulk chemical delivery system
Inventors:
Craig M. Noah, John N. Gregg, Robert M. Jackson, Craig Esser
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Sep 1, 2000
Inventors
Craig M. Noah
John N. Gregg
Robert M. Jackson
Craig Esser
Assignee (at issue)
ADVANCED TECHNOLOGY & MATERIALS CO., LTD.
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.