Granted Patent
Utility
US 6,507,175 · App. 09/978,125
System and method for detection of zero current condition
Inventors:
David M. Susak, Ryan Goodfellow
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Oct 15, 2001
Inventors
David M. Susak
Ryan Goodfellow
Assignee (at issue)
PRIMARION, INC.
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.