Granted Patent
Utility
US 6,166,472 · App. 09/025,014
Airgap armature coils and electric machines using same
Inventors:
Joseph F. Pinkerton, Scott R. Little
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Feb 17, 1998
Inventors
Joseph F. Pinkerton
Scott R. Little
Assignee (at issue)
Active Power, 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.