Granted Patent
Utility
US 4,602,847 · App. 06/616,961
Method of producing optical elements having interference layers
Inventors:
Reinhard Born, Werner Herbert, Hans-Georg Lotz, Norbert Rucker
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Jun 4, 1984
Inventors
Reinhard Born
Werner Herbert
Hans-Georg Lotz
Norbert Rucker
Assignee (at issue)
Hans Zapfe
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.