Patent
   D413974
Priority
Oct 03 1997
Filed
Oct 03 1997
Issued
Sep 14 1999
Expiry
Sep 14 2013
Assg.orig
Entity
unknown
4
5
n/a
The ornamental design for a dental dam, as shown and described.

FIG. 1 is a perspective view of a dental dam, showing my new design;

FIG. 2 is a front elevation view of the same; and,

FIG. 3 is a rear elevation view of the same.

Ramirez-Delgado, Roberto

Patent Priority Assignee Title
D523552, Mar 23 2005 Coltene/Whaledent, Inc. Flexible dental dam with frame
D741991, Nov 13 2013 Coltene/Whaledent, Inc. Dental dam with holder
ER1332,
ER5813,
Patent Priority Assignee Title
4721465, Mar 17 1987 Dental dam with integral deformable frame
5390681, Oct 29 1993 Prophylactic device for oral sex
5582187, Apr 10 1995 Protective mask
5785052, Jan 27 1995 Versatile disposable film protective mask
JP406178791,
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