Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1984-09-10
1987-09-29
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D10 58
Patent
active
D02920727
REFERENCES:
patent: D283804 (1986-05-01), Waters
patent: 2664645 (1954-01-01), Qualman
patent: 2707396 (1955-05-01), Dupure
patent: 3150524 (1964-09-01), Arens
patent: 3835708 (1974-09-01), Gruett
patent: 3886796 (1975-06-01), Gruett
patent: 4116065 (1978-09-01), Jensen
Elesa S.p.A.
Holtje Nelson C.
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