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Publication numberUSD321701 S
Publication typeGrant
Application numberUS 07/438,366
Publication dateNov 19, 1991
Filing dateNov 20, 1989
Priority dateMay 22, 1989
Publication number07438366, 438366, US D321701 S, US D321701S, US-S-D321701, USD321701 S, USD321701S
InventorsYasuhiro Nomura, Koichi Takahashi
Original AssigneeSeiko Epson Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Liquid crystal sunglasses
US D321701 S
Abstract  available in
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  1. The ornamental design for liquid crystal sunglasses, as shown and described.

FIG. 1 is a perspective view of liquid crystal sunglasses showing our new design;

FIG. 2 is a left side elevational view thereof, the side opposite being substantially a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

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US6239778Jun 24, 1998May 29, 2001Alphamicron, Inc.Variable light attentuating dichroic dye guest-host device
US9134551Oct 4, 2011Sep 15, 2015Alphamicron IncorporatedWide band variable transmittance optical device and mixture
U.S. ClassificationD16/325