Granted Patent
Utility
US 6,468,703 · App. 09/641,486
Method for producing a structure of interference colored filters
Inventors:
Johannes Edlingger, Reinhard Sperger, Maria Simotti
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Aug 18, 2000
Inventors
Johannes Edlingger
Reinhard Sperger
Maria Simotti
Assignee (at issue)
Unaxis Trading Ltd
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.