Granted Patent
Utility
US 5,819,684 · App. 08/661,461
Gas injection system for reaction chambers in CVD systems
Inventors:
Mark Hawkins, McDonald Robinson
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Jun 10, 1996
Inventors
Mark Hawkins
McDonald Robinson
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.