Granted Patent
Utility
US 5,530,563 · App. 07/916,711
Process and apparatus for the determination of halftone percentage values
Inventors:
Bruno Zimmermann, Hans Ott, Thomas Senn
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Jul 22, 1992
Inventors
Bruno Zimmermann
Hans Ott
Thomas Senn
Assignee (at issue)
Gretag Aktiengesellschaft
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.