Granted Patent
Utility
US 6,712,943 · App. 10/011,508
Methods for angle limiting deposition mask
Inventor:
Bruce Ramsay
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Nov 6, 2001
Inventor
Bruce Ramsay
Assignee (at issue)
The BOC Group Limited
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.