USD331123SExpiredUtility

Long range fresnel lens array for infrared motion detector

32
Assignee: FRESNEL TECH INCPriority: Aug 19, 1991Filed: Aug 19, 1991Granted: Nov 17, 1992
Est. expiryAug 19, 2011(expired)· nominal 20-yr term from priority
Inventors:Richard N. Claytor
32
PatentIndex Score
1
Cited by
9
References
1
Claims

Claims

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

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.