Granted Patent
Utility
US 6,046,420 · App. 09/216,010
Silicon switch
Inventor:
David DeMoss
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Dec 17, 1998
Inventor
David DeMoss
Assignee (at issue)
ELECTRONICS FOR IMAGING, 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.