Granted Patent
Utility
US 4,585,309 · App. 06/714,066
Run-free color raster for multi-color printing
Inventors:
Eggert Jung, Heinrich Wadle
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Mar 21, 1985
Inventors
Eggert Jung
Heinrich Wadle
Assignee (at issue)
Dr. Ing. Rudolf Hell GmbH
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.