Granted Patent
Utility
US 6,602,433 · App. 09/674,658
Gas delivery system
Inventors:
Jyoti Kiron Bhardwaj, Nicholas E. Shepherd, Leslie Michael Lea
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Dec 18, 2000
Inventors
Jyoti Kiron Bhardwaj
Nicholas E. Shepherd
Leslie Michael Lea
Assignee (at issue)
Surface Technology Systems PLC
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.