Granted Patent
Utility
US 5,393,001 · App. 07/833,370
Core chuck for coil winding
Inventor:
Ake Gustafson
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Feb 10, 1992
Inventor
Ake Gustafson
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.