Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2003-02-07
2004-02-17
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
D0486747
CLAIM:
The ornamental design for a ruler, substantially as shown and described.
REFERENCES:
patent: 4565012 (1986-01-01), Bilodeau et al.
patent: D390871 (1998-02-01), Whitney
Davis Antoine Duval
It's Academic of Illinois, Inc.
Wood Phillips Katz Clark & Mortimer
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