USD331124SExpiredUtility

Wide angle fresnel lens array for infrared motion detector

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Assignee: FRESNEL TECH INCPriority: Aug 16, 1991Filed: Aug 16, 1991Granted: Nov 17, 1992
Est. expiryAug 16, 2011(expired)· nominal 20-yr term from priority
Inventors:Richard N. Claytor
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PatentIndex Score
5
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a wide angle fresnel lens array for infrared motion detector, as shown and described.

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