IP Library › Granted Patent US 6,557,998
Granted Patent Utility
US 6,557,998 · Confirmation No. 3096

MULTIFOCAL OPHTHALMIC LENS WITH REDUCED HALO SIZE

Inventor: Valdemar Portney
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2002-06-14 TRNA Transmittal of New Application 4 View
2002-06-14 ADS Application Data Sheet 2 View
2002-06-14 A.PE Preliminary Amendment 6 View
2002-06-14 SPEC Specification 18 View
2002-06-14 CLM Claims 6 View
2002-06-14 ABST Abstract 1 View
2002-06-14 DRW Drawings-only black and white line drawings 4 View
2002-06-14 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,557,998
App. No.
10/171,723
Filed
2002-06-14
Granted
2003-05-06
Pub. No.
US20020149743A1
Art Unit
2873
PTA
-71 days