IP Library Granted Patent US 6,782,170
Granted Patent Utility
US 6,782,170 · Confirmation No. 5240

AN OPTICAL DEVICE HAVING A REFERENCE MARK SYSTEM

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Code Description Pages PDF
2003-03-25 PA.. Power of Attorney 1 View
2001-01-05 TRNA Transmittal of New Application 2 View
2001-01-05 SPEC Specification 18 View
2001-01-05 CLM Claims 5 View
2001-01-05 ABST Abstract 1 View
2001-01-05 DRW Drawings-only black and white line drawings 4 View
2001-01-05 OATH Oath or Declaration filed 6 View
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Quick Facts
Patent No.
US 6,782,170
App. No.
09/755,406
Filed
2001-01-05
Granted
2004-08-24
Pub. No.
US20030147594A1
Art Unit
2839
PTA
-504 days