USD443542SExpiredUtility

Four sided alarm unit with an upper infrared sensor and a lower light emitting diode

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Assignee: DOHRMANN IND INCPriority: Oct 13, 2000Filed: Oct 13, 2000Granted: Jun 12, 2001
Est. expiryOct 13, 2020(expired)· nominal 20-yr term from priority
Inventors:Anthony Dohrmann
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PatentIndex Score
8
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a four sided alarm unit with an upper infrared sensor and a lower light emitting diode, as shown and described.

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