IP Library Granted Patent US 4,821,264
Granted Patent Utility
US 4,821,264 · App. 07/152,347

Adaptive concentration communication network

Inventor: Noshik Kim
Patented Case View Patent ↗
Granted: Apr 11, 1989 Filed: Feb 4, 1988
Inventor
Noshik Kim
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 4,821,264
App. No.
07/152,347
Filed
1988-02-04
Granted
1989-04-11
Kind
A