Granted Patent
Utility
US 4,629,529 · App. 06/663,211
Method and machine for convolute or spiral winding of composite materials
Inventor:
Leo Kadunce
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Oct 22, 1984
Inventor
Leo Kadunce
Assignee (at issue)
Steeltin Can 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.