IP Library › Granted Patent US 6,435,681
Granted Patent Utility
US 6,435,681 · Confirmation No. 9785

MULTIFOCAL OPHTHALMIC LENS WITH REDUCED HALO SIZE

Inventor: Valdemar Portney
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-01-11 TRNA Transmittal of New Application 4 View
2001-01-11 ADS Application Data Sheet 2 View
2001-01-11 A.PE Preliminary Amendment 4 View
2001-01-11 SPEC Specification 18 View
2001-01-11 CLM Claims 6 View
2001-01-11 ABST Abstract 1 View
2001-01-11 DRW Drawings-only black and white line drawings 4 View
2001-01-11 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,435,681
App. No.
09/758,850
Filed
2001-01-11
Granted
2002-08-20
Pub. No.
US20010002859A1
Art Unit
2873
PTA
-99 days