Patent
   D315168
Priority
Dec 23 1988
Filed
Dec 23 1988
Issued
Mar 05 1991
Expiry
Mar 05 2005
Assg.orig
Entity
unknown
1
8
n/a
The ornamental design for a health aid calculator, as shown and described.

FIG. 1 is a top plan view of a health aid calculator showing our new design;

FIG. 2 is a top plan view thereof, with the indicating disk removed for ease of illustration;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof.

Ramm, Henry F., Ramm, Lois L.

Patent Priority Assignee Title
D435581, May 14 1999 SIA Abrasives Holding AG Sanding parameter calculator
Patent Priority Assignee Title
2234896,
2462338,
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241775,
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