Granted Patent
Utility
US 6,731,492 · App. 10/139,527
Overdrive structures for flexible electrostatic switch
Inventor:
Scott H. Goodwin-Johansson
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: May 6, 2002
Inventor
Scott H. Goodwin-Johansson
Assignee (at issue)
MCNC Research & Development Institute
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.