Granted Patent
Utility
US 6,420,948 · App. 09/830,173
Parallel contact circuit breaker
Inventor:
Daniel J. Runyan
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Apr 23, 2001
Inventor
Daniel J. Runyan
Assignee (at issue)
Airpax Corporation
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.