Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Design Patent
2010-06-01
2010-12-14
Davis, Antoine D (Department: 2917)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
Design Patent
active
D0628917
CLAIM:
The ornamental design for a voltage tester, as shown and described.
REFERENCES:
patent: D257014 (1980-09-01), Cressman et al.
patent: D416819 (1999-11-01), Luebke et al.
patent: 6137285 (2000-10-01), Walsten et al.
patent: D476246 (2003-06-01), Kuramoto et al.
patent: D481963 (2003-11-01), Onuma et al.
patent: 7208932 (2007-04-01), Chun
Davis Antoine D
Dongguan Huayi Mastech Co., Ltd
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