Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1997-11-13
1998-12-08
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
1004
Patent
active
D04022211
REFERENCES:
patent: D366435 (1996-01-01), Malcolm
patent: 4869102 (1989-09-01), Hale et al.
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