Granted Patent
Utility
US 4,244,292 · App. 06/085,480
Inker apparatus
Inventors:
Robert Williams, Albin Rohr
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Oct 17, 1979
Inventors
Robert Williams
Albin Rohr
Assignee (at issue)
Sun Chemical Corporation
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.