Granted Patent
Utility
US 6,746,758 · App. 10/208,833
Insulating material and electric machine winding and method for manufacturing the same
Inventors:
Tomoya Tsunoda, Mitsuru Onoda, Shigeo Amagi, Tatsuo Honda
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Aug 1, 2002
Inventors
Tomoya Tsunoda
Mitsuru Onoda
Shigeo Amagi
Tatsuo Honda
Assignee (at issue)
HITACHI, LTD.
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.