Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Design Patent
2000-10-23
2001-07-17
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
Design Patent
active
D0445046
CLAIM:
The ornamental design for a bubble generator, as shown and described.
REFERENCES:
patent: 6139810 (2000-10-01), Gottzmann et al.
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