Granted Patent
Utility
US 5,831,510 · App. 08/710,925
PTC electrical devices for installation on printed circuit boards
Inventors:
Michael Zhang, Shou-Mean Fang
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Sep 24, 1996
Inventors
Michael Zhang
Shou-Mean Fang
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.