Granted Patent
Utility
US 4,907,077 · App. 07/274,933
Method and apparatus for white balancing
Inventors:
Joerg Schulz-Hennig, Juergen Rohardt
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Nov 8, 1988
Inventors
Joerg Schulz-Hennig
Juergen Rohardt
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.