Granted Patent
Utility
US 6,204,745 · App. 09/440,378
Continuous multi-turn coils
Inventors:
Hanson Liu, Pi-Yao Aileen Liu
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Nov 15, 1999
Inventors
Hanson Liu
Pi-Yao Aileen Liu
Assignee (at issue)
International Power Devices, 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.