Granted Patent
Utility
US 6,460,378 · App. 09/515,227
Collapsing a multitube assembly and subsequent optical fiber drawing in the same furnace
Inventors:
Xiaoyuan Dong, Siu-Ping Hong, Thomas John Miller, Don H. Smith
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Feb 29, 2000
Inventors
Xiaoyuan Dong
Siu-Ping Hong
Thomas John Miller
Don H. Smith
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.