Granted Patent
Utility
US 4,381,852 · App. 06/375,605
Automatic tensioning control for winding stator coils
Inventors:
Herbert E. Ferree, Dirk J. Boomgaard
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: May 6, 1982
Inventors
Herbert E. Ferree
Dirk J. Boomgaard
Assignee (at issue)
Westinghouse Electric Company LLC
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.