Granted Patent
Utility
US 4,390,357 · App. 06/316,166
Methods of and system for clean air delivery to lightguide fiber drawing apparatus
Inventors:
Daryl L. Myers, Stanley Rice
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Oct 29, 1981
Inventors
Daryl L. Myers
Stanley Rice
Assignee (at issue)
Western Electric Company, Inc.
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.