Granted Patent
Utility
US 5,967,049 · App. 08/997,288
Ink key control in a printing press including lateral ink spread, ink saturation, and back-flow compensation
Inventors:
John C. Seymour, Chia-Lin Chu
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Dec 23, 1997
Inventors
John C. Seymour
Chia-Lin Chu
Assignee (at issue)
QuadTech, 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.