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The ornamental design for an invalid chair, as shown. |
FIG. 1, is a perspective view of the invalid chair showing our new design;
FIG. 2, is a right-side elevation view thereof;
FIG. 3, is a left-side elevation view thereof;
FIG. 4, a top plan view thereof;
FIG. 5, a bottom plan view thereof;
FIG. 6, a front elevation view thereof; and
FIG. 7, a rear elevation view thereof.
Twitchell, Brent L., Twitchell, Kendel S.
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