Granted Patent
Utility
US 6,629,664 · App. 10/006,428
Flying reel changer in a web-fed rotary printing machine
Inventor:
Antoon Weijenborg
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Dec 7, 2001
Inventor
Antoon Weijenborg
Assignee (at issue)
Heidelberger Druckmaschinen AG
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.