Granted Patent
Utility
US 6,340,926 · App. 09/469,366
Power plug with circuit breaker
Inventor:
Raymond Wai Hang Chu
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Dec 22, 1999
Inventor
Raymond Wai Hang Chu
Assignee (at issue)
Defond Manufacturing Limited
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.