Multifocal, especially bifocal, intraocular, artificial ophthalmic lens
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
May 11, 1993
Grant Date -
N/A
app pub date -
Mar 20, 1991
filing date -
Sep 7, 1983
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multifocal, especially bifocal, intraocular, artificial ophthalmic lens of transparent material, whose optical lens portion is divided into near range and far range zones and, each of which is disposed on the optical lens portion with approximately equal surface proportions and symmetrically with the lens axis.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully