|
The ornamental design for a refractor, as shown and described.
|
1.-2. Refractor
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
The broken lines shown in Figs
Patent | Priority | Assignee | Title |
D936834, | Jul 10 2019 | TOPCON CORPORATION | Eye testing apparatus |
D936835, | Jul 10 2019 | TOPCON CORPORATION | Eye testing apparatus |
ER3814, |
Patent | Priority | Assignee | Title |
2995065, | |||
4820040, | Nov 09 1984 | Crossed cylinder lenses refractor and method of use | |
4840479, | Mar 16 1987 | Crossed cylinder lenses refractor with three-lens variable crossed cylinder assembly and method of use | |
4943162, | Nov 09 1984 | Astigmatic self-refractor and method of use | |
6692128, | May 01 2002 | REICHERT, INC | Ophthalmic refractor having gear phasing hub |
6698888, | May 01 2002 | REICHERT, INC | Ophthalmic refractor having improved repeatability of scale rotation |
7438416, | May 02 2003 | Nidek Co., Ltd | Optometric apparatus |
D344587, | Mar 06 1991 | R. H. Burton Company | Ophthalmic refractor |
D550845, | Apr 11 2006 | Kabushiki Kaisha Topcon | Optometer |
D559709, | Dec 15 2005 | Oculus Optikgeraete GmbH | Measuring instrument |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 21 2018 | Essilor International | (assignment on the face of the patent) | / | |||
Feb 18 2021 | HONG, OLIVIER | Essilor International | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 056421 | /0253 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |