Granted Patent
Utility
US 4,135,902 · App. 05/883,074
Method and apparatus for drawing optical fibers
Inventor:
Robert C. Oehrle
Patented Case
View Patent ↗
Granted: Jan 23, 1979
Filed: Mar 3, 1978
Inventor
Robert C. Oehrle
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.