Granted Patent
Utility
US 4,676,883 · App. 06/835,157
Optical disk transmission monitor for deposited films
Inventors:
Roger E. Nelson, Clyde L. Lucky
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Mar 3, 1986
Inventors
Roger E. Nelson
Clyde L. Lucky
Assignee (at issue)
Sierracin Corporation
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.