IP Library Granted Patent US 5,202,950
Granted Patent Utility
US 5,202,950 · App. 07/764,427

Backlighting system with faceted light pipes

Inventors: Douglas A. Arego, Kevin Joseph Hathaway, Richard M. Knox, Gaylon R. Kornfuehrer
Patented Case View Patent ↗
Granted: Apr 13, 1993 Filed: Sep 23, 1991
Inventors
Douglas A. Arego
Kevin Joseph Hathaway
Richard M. Knox
Gaylon R. Kornfuehrer
Assignee (at issue)
Compaq Computer Corporation

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 5,202,950
App. No.
07/764,427
Filed
1991-09-23
Granted
1993-04-13
Kind
A