Granted Patent
Utility
US 6,474,077 · App. 10/015,495
Vapor delivery from a low vapor pressure liquefied compressed gas
Inventors:
Alexandre De Almeida Botelho, Ali Fouad El-Agha
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Dec 12, 2001
Inventors
Alexandre De Almeida Botelho
Ali Fouad El-Agha
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.