Granted Patent
Utility
US 6,467,409 · App. 09/982,053
Bridge mandrel for flexographic printing systems
Inventor:
Mario Busshoff
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Oct 17, 2001
Inventor
Mario Busshoff
Assignee (at issue)
Day International, Inc.
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.