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The ornamental described design for a keratometer, as shown and described. |
FIG. 1 is a front elevational view of a keratometer showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view showing the front and left side thereof; and,
FIG. 8 is a perspective view showing the rear and left side thereof.
Wolf, Theodor, Bussacker, Hilmar
Patent | Priority | Assignee | Title |
9763574, | Aug 21 2015 | Hood for an ophthalmic device | |
D553750, | Apr 11 2006 | Kabushiki Kaisha Topcon | Controller for ophthalmic instrument |
D621941, | Nov 08 2007 | Haag-Streit AG | Tonometer |
D670813, | Nov 08 2007 | Haag-Streit AG | Tonometer |
D698444, | Aug 09 2011 | I-Optics | Scanning laser opthalmoscope |
D705430, | Mar 24 2011 | Canon Kabushiki Kaisha | Corneal tomography apparatus |
D748268, | Sep 06 2013 | ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE | Tracer-centrer-blocker for ophthalmic lenses and spectacle frames |
D775356, | Sep 24 2015 | CLARITY MEDICAL SYSTEMS, INC | Instrument for measuring optical wave front |
D799046, | Jun 19 2015 | Apparatus with equipment for analyzing the eyes | |
D922583, | Nov 09 2018 | Nikon Corporation | Fundus camera |
D923795, | Jun 18 2018 | Carl Zeiss Meditec AG | Slit lamp |
D935620, | Jun 18 2018 | Carl Zeiss Meditec AG | Slit lamp |
Patent | Priority | Assignee | Title |
3972602, | Aug 01 1974 | FRIGITRONICS, INC , 770 RIVER ROAD, SHELTON, CONNECTICUT 06484, A DE CORP | Auxiliary lens holder device for use with a keratometer |
4407572, | Jun 12 1980 | Allergan Humphrey | Keratometer |
4429960, | Oct 31 1980 | Innomed Corporation; INNOMED CORPORATION, CORP OF CA | Keratometric device |
D293818, | Sep 30 1985 | CAMBRIDGE INSTRUMENTS INC , A DE CORP | Keratometer or the like |
D299745, | Apr 08 1986 | Canon Kabushiki Kaisha | Keratometer |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 30 1997 | BUSSACKER, HILMAR | Haag-Streit AG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008458 | /0748 | |
Feb 03 1997 | WOLF, THEODOR | Haag-Streit AG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008458 | /0748 | |
Mar 03 1997 | Haag-Streit AG | (assignment on the face of the patent) | / |
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