IP Library Granted Patent US 4,889,403
Granted Patent Utility
US 4,889,403 · App. 07/137,317

Distribution optical fiber tap

Inventors: Joseph Zucker, Nelson Shen, Bruce D. Campbell, Peder Rodhe, Tom Call
Patented Case View Patent ↗
Granted: Dec 26, 1989 Filed: Dec 23, 1987
Inventors
Joseph Zucker
Nelson Shen
Bruce D. Campbell
Peder Rodhe
Tom Call
Assignee (at issue)
Raychem Limited

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,889,403
App. No.
07/137,317
Filed
1987-12-23
Granted
1989-12-26
Kind
A