Granted Patent
Utility
US 4,533,570 · App. 06/502,882
Method and apparatus for coating optical waveguide fibers
Inventor:
Rama Iyengar
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Jun 9, 1983
Inventor
Rama Iyengar
Assignee (at issue)
AT&T Technologies Incorporated
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.