Patent
   D247503
Priority
Sep 29 1975
Filed
Sep 29 1975
Issued
Mar 14 1978
Expiry
Mar 14 1992
Assg.orig
Entity
unknown
1
1
n/a
I claim the ornamental design for a dental hygiene teaching apparatus or the like, as shown and described.

FIG. 1 is a front perspective view of a dental hygiene teaching apparatus showing my new design;

FIG. 2 is a side elevational view thereof.

FIG. 3 is an end elevational view.

FIG. 4 is a rear perspective view thereof.

FIG. 5 is a plan view thereof.

FIG. 6 is an end elevational view thereof.

Hoisington, William C.

Patent Priority Assignee Title
D837381, Dec 28 2016 The University of Hong Kong Dental wear simulator
Patent Priority Assignee Title
3740854,
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