Granted Patent
Utility
US 5,154,092 · App. 07/725,439
Internal worm drive and oscillating roller assembly for use in inking systems for printing presses
Inventor:
John MacPhee
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Jul 3, 1991
Inventor
John MacPhee
Assignee (at issue)
Baldwin Technology Company, 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.