Granted Patent
Utility
US 6,234,078 · App. 09/288,436
Ink roller assembly having a plurality of sections each having a porous sleeve
Inventor:
John R. Kessler
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Apr 8, 1999
Inventor
John R. Kessler
Assignee (at issue)
Monarch Marking Systems, 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.