Patent
   D261666
Priority
Mar 14 1979
Filed
Jul 03 1979
Issued
Nov 03 1981
Expiry
Nov 03 1995
Assg.orig
Entity
unknown
0
1
n/a
The ornamental design for a backgammon calculator, as shown.

FIG. 1 is a front perspective view of a backgammon calculator showing my new design;

FIG. 2 is an end elevation thereof; and

FIG. 3 is a rear perspective view thereof.

Sorin, Andrei

Patent Priority Assignee Title
Patent Priority Assignee Title
4223893, Nov 11 1975 Tryom, Inc. Electronic game
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