Granted Patent
Utility
US 4,328,515 · App. 06/091,899
Method and a device for recorrecting standard color corrections in a color picture recording
Inventor:
Klaus Wellendorf
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Nov 7, 1979
Inventor
Klaus Wellendorf
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.