Granted Patent
Utility
US 6,705,441 · App. 10/070,620
Control of series-resonant inductive pickups
Inventors:
John Talbot Boys, Oskar Heino Stielau
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Jun 25, 2002
Inventors
John Talbot Boys
Oskar Heino Stielau
Assignee (at issue)
Auckland Uniservices 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.