Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Patent
1989-05-05
1991-09-03
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
Patent
active
D03195961
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patent: D242531 (1976-11-01), Guimond
patent: D242602 (1976-12-01), Melvin et al.
patent: D298110 (1988-10-01), Kawano
patent: D312218 (1990-11-01), Hill
patent: 3311455 (1967-03-01), Robinson
patent: 3460125 (1969-08-01), Liebermann et al.
patent: 3786675 (1974-01-01), Delatorre et al.
patent: 4369647 (1983-01-01), Shigemori et al.
patent: 4665385 (1987-05-01), Henderson
Davis Antoine D.
Holtje Nelson C.
J and N Associates, Inc.
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