Granted Patent
Utility
US 5,507,442 · App. 08/119,365
Method and apparatus for winding toroidal coils
Inventors:
Toshio Konno, Kazuhiro Sugai, Shinya Watanabe, Hiroyuki Konno, Tooru Shoji
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Sep 9, 1993
Inventors
Toshio Konno
Kazuhiro Sugai
Shinya Watanabe
Hiroyuki Konno
Tooru Shoji
Assignee (at issue)
TOKIN 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.