Granted Patent
Utility
US 4,069,986 · App. 05/737,999
Flying transfer winder driver
Inventor:
Richard A. Carlsen
Patented Case
View Patent ↗
Granted: Jan 24, 1978
Filed: Nov 2, 1976
Inventor
Richard A. Carlsen
Assignee (at issue)
Egan Machinery 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.