Granted Patent
Utility
US 5,887,632 · App. 08/891,166
Coil winding form
Inventor:
Hobart DeHart
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jul 10, 1997
Inventor
Hobart DeHart
Assignee (at issue)
Reliance Electric Industrial Company
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.