IP Library › Granted Patent US 6,580,558
Granted Patent Utility
US 6,580,558 · Confirmation No. 3048

OPTICAL ISOLATOR

Inventors: Rong Li Zhu, Youfu Shao
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-04-27 TRNA Transmittal of New Application 2 View
2001-04-27 SPEC Specification 9 View
2001-04-27 CLM Claims 5 View
2001-04-27 ABST Abstract 1 View
2001-04-27 DRW Drawings-only black and white line drawings 2 View
2001-04-27 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,580,558
App. No.
09/844,547
Filed
2001-04-27
Granted
2003-06-17
Pub. No.
US20020159149A1
Art Unit
2872
PTA
-63 days