Granted Patent
Utility
US 5,831,312 · App. 08/630,024
Electrostic discharge protection device comprising a plurality of trenches
Inventor:
Jemmy Wen
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Apr 9, 1996
Inventor
Jemmy Wen
Assignee (at issue)
WINBOND ELECTRONICS CORP.
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.