IP Library Granted Patent US 6,481,864
Granted Patent Utility
US 6,481,864 · App. 09/759,615

Backlight assembly with a light pipe having optical elements and an integral surface diffuser

Inventors: Abbas Hosseini, Hyun-Sun Chung, Anatoly Vasiliev, Gajendra D. Savant
Patented Case View Patent ↗
Granted: Nov 19, 2002 Filed: Jan 12, 2001
Inventors
Abbas Hosseini
Hyun-Sun Chung
Anatoly Vasiliev
Gajendra D. Savant
Assignee (at issue)
PHYSICAL OPTICS 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 6,481,864
App. No.
09/759,615
Filed
2001-01-12
Granted
2002-11-19
Kind
B2