Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1998-09-22
1999-07-06
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D10 55, 1004
Patent
active
D04118073
REFERENCES:
patent: 4770040 (1988-09-01), Hopper et al.
Davis Antoine Duval
Testo GmbH & Co.
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