USD315807SExpiredUtility

Wide angle fresnel lens array for infrared motion detector

61
Assignee: FRESNEL TECH INCPriority: Feb 27, 1989Filed: Feb 27, 1989Granted: Mar 26, 1991
Est. expiryFeb 27, 2009(expired)· nominal 20-yr term from priority
Inventors:Richard N. ClaytorRussell G. Torti
61
PatentIndex Score
9
Cited by
7
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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