IP Library › Granted Patent US 4,833,673
Granted Patent Utility
US 4,833,673 · App. 07/118,978

Time division multiplexer for DTDM bit streams

Inventors: Hung-Hsiang Jonathan Chao, Sang H. Lee
Patented Case View Patent ↗
Granted: May 23, 1989 Filed: Nov 10, 1987
Inventors
Hung-Hsiang Jonathan Chao
Sang H. Lee
Assignee (at issue)
Bell Communications Research, 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.

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 4,833,673
App. No.
07/118,978
Filed
1987-11-10
Granted
1989-05-23
Kind
A