Granted Patent
Utility
US 6,188,556 · App. 09/177,666
Two-terminal transistor PTC circuit protection devices
Inventors:
Shukri Souri, Chris McCoy, Hugh Duffy, Adrian I. Cogan, Ram Gopal Bommakanti
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Oct 22, 1998
Inventors
Shukri Souri
Chris McCoy
Hugh Duffy
Adrian I. Cogan
Ram Gopal Bommakanti
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.