Granted Patent
Utility
US 6,727,679 · App. 10/096,045
DC to DC voltage converter having a switching signal with adjustable frequency and an adjustable duty cycle
Inventors:
Illya Kovarik, Peter Neumann
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Mar 12, 2002
Inventors
Illya Kovarik
Peter Neumann
Assignee (at issue)
S-B Power Tool 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.