Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1992-04-17
1994-12-06
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
Patent
active
D03531120
REFERENCES:
patent: 30938 (1899-06-01), Taylor
patent: 30939 (1899-06-01), Taylor
patent: 30987 (1899-06-01), Taylor
patent: 165816 (1975-07-01), Gano
patent: D189692 (1961-01-01), Curtis
patent: 4968153 (1990-11-01), Stachoviak
Davis Antoine O.
Douglas Alan P.
Gerstein Milton S.
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