Granted Patent
Utility
US 6,651,703 · App. 10/101,340
Transportation and storage of ultra-high purity products
Inventors:
Vladimir Yliy Gershtein, Robert William Ford, Christopher R. Butler, Eugene Y. Ngai
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Mar 19, 2002
Inventors
Vladimir Yliy Gershtein
Robert William Ford
Christopher R. Butler
Eugene Y. Ngai
Assignee (at issue)
Air Products and Chemicals, 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.