Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Design Patent
2003-05-15
2004-03-23
Holtje, Nelson C. (Department: 2913)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Design Patent
active
D0487707
CLAIM:
The ornamental design for a proximity monitor, as shown and described.
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patent: D377767 (1997-02-01), Doppelt et al.
patent: D389763 (1998-01-01), Merritt, III
patent: D391878 (1998-03-01), Alleyne
patent: 5729191 (1998-03-01), Allen et al.
patent: 5867099 (1999-02-01), Keeter
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