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Publication numberUSD321023 S
Publication typeGrant
Application numberUS 07/260,487
Publication dateOct 22, 1991
Filing dateOct 21, 1988
Publication number07260487, 260487, US D321023 S, US D321023S, US-S-D321023, USD321023 S, USD321023S
InventorsDavid R. Schultz
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Muscle testing machine
US D321023 S
Abstract  available in
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  1. The ornamental design for a muscle testing machine, as shown.

FIG. 1 is a perspective view of a muscle testing machine showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a top plan view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6325767 *Sep 7, 1999Dec 4, 2001Hartmut WolffStrength measuring device for the measurement of muscle strength of singular muscle groups of an individual
U.S. ClassificationD21/690