Patent
   D348224
Priority
Oct 20 1992
Filed
Apr 15 1993
Issued
Jun 28 1994
Expiry
Jun 28 2008
Assg.orig
Entity
unknown
8
3
n/a
The ornamental design for a tonometer, as shown and described.

FIG. 1 is a front elevational view of a tonometer showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a perspective view thereof.

Hayashi, Hideki

Patent Priority Assignee Title
D413979, Jun 24 1998 Welch Allyn, Inc Vision screener
D427313, Dec 28 1998 Haag-Streit AG Tonometer
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D799046, Jun 19 2015 Apparatus with equipment for analyzing the eyes
D986081, Mar 02 2021 ICARE FINLAND OY Tonometer
Patent Priority Assignee Title
5190042, Sep 22 1989 DRAEGER, JORG Apparatus for determining intraocular pressure
163942,
D341541, Oct 23 1991 Canon Kabushiki Kaisha Automatic eye-refraction measuring apparatus with spectacle lens measuring apparatus
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 08 1993HAYASHI, HIDEKICanon Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST 0065210275 pdf
Apr 15 1993Canon Kabushiki Kaisha(assignment on the face of the patent)
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