Granted Patent
Utility
US 4,244,005 · App. 05/971,211
Method and apparatus for avoiding or minimizing unwanted line-structures in the electronic reproduction of images
Inventor:
Heinrich Jurgensen
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Dec 20, 1978
Inventor
Heinrich Jurgensen
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.