Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Patent
1976-10-12
1980-09-09
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
D1004
Patent
active
D02567857
REFERENCES:
patent: D142227 (1945-08-01), Newman
patent: D186661 (1959-11-01), Baldwin
patent: D216970 (1970-03-01), Nelson
patent: D235742 (1975-07-01), Rock
patent: D248457 (1978-07-01), Cullinane
patent: D250810 (1979-01-01), Stern
patent: 3309504 (1967-03-01), Rosso
patent: 3714421 (1973-01-01), Josias
patent: 4044593 (1977-08-01), Haruki
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