IP Library Granted Patent US 4,499,576
Granted Patent Utility
US 4,499,576 · App. 06/407,885

Multiplexed first-in, first-out queues

Inventor: Alexander Gibson Fraser
Patented Case View Patent ↗
Granted: Feb 12, 1985 Filed: Aug 13, 1982
Inventor
Alexander Gibson Fraser
Assignee (at issue)
AT&T Bell Laboratories

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 4,499,576
App. No.
06/407,885
Filed
1982-08-13
Granted
1985-02-12
Kind
A