IP Library Granted Patent US 6,625,377
Granted Patent Utility
US 6,625,377 · Confirmation No. 6380

VARIABLE OPTICAL ATTENUATOR

Inventor: Yao-Hao Chang
⬇ PDF
Code Description Pages PDF
2003-07-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-08-28 TRNA Transmittal of New Application 2 View
2001-08-28 SPEC Specification 8 View
2001-08-28 CLM Claims 4 View
2001-08-28 ABST Abstract 1 View
2001-08-28 DRW Drawings-only black and white line drawings 6 View
2001-08-28 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,625,377
App. No.
09/941,444
Filed
2001-08-28
Granted
2003-09-23
Pub. No.
US20020176685A1
Art Unit
2882
PTA
0 days