USD321701SExpiredUtility

Liquid crystal sunglasses

65
Assignee: SEIKO EPSON CORPPriority: May 22, 1989Filed: Nov 20, 1989Granted: Nov 19, 1991
Est. expiryMay 22, 2009(expired)· nominal 20-yr term from priority
Inventors:Yasuhiro NomuraKoichi Takahashi
65
PatentIndex Score
10
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for liquid crystal sunglasses, as shown and described.

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