Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1992-12-11
1994-04-26
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D10 2, D10 4
Patent
active
D03463362
REFERENCES:
patent: D127510 (1941-05-01), Sherrill
patent: D148962 (1948-03-01), Sherrill
patent: D172137 (1954-05-01), Franklin
patent: D284271 (1986-06-01), Henkels
patent: 4735511 (1988-04-01), Gauer et al.
patent: 4779995 (1988-10-01), Santacaterina et al.
Davis Antoine D.
Douglas Alan P.
Gernstein Terry M.
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