IP Library › Granted Patent US 6,600,867
Granted Patent Utility
US 6,600,867 · Confirmation No. 6990

VARIABLE OPTICAL ATTENUATOR

Inventor: Yao Hao Chang
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-09-12 TRNA Transmittal of New Application 2 View
2001-09-12 SPEC Specification 8 View
2001-09-12 CLM Claims 4 View
2001-09-12 ABST Abstract 1 View
2001-09-12 DRW Drawings-only black and white line drawings 5 View
2001-09-12 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,600,867
App. No.
09/954,396
Filed
2001-09-12
Granted
2003-07-29
Pub. No.
US20020009280A1
Art Unit
2882
PTA
-8 days