Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Design Patent
2000-05-11
2001-02-27
Jackson, Marcus A. (Department: 2911)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Design Patent
active
D0438133
CLAIM:
The ornamental design for a dual function light sensor head, as shown and described.
REFERENCES:
patent: D. 427101 (2000-06-01), Zeen
patent: D. 428352 (2000-07-01), Hiller et al.
Craine Dean A.
Jackson Marcus A.
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