DONGGUAN HUAYI MASTECH CO., LTD

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES531

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D646598 GFCI testerJun 01, 10Oct 11, 11[1004]
D629319 Voltage testerJun 01, 10Dec 21, 10[1004]
D628916 GFCI testerJun 01, 10Dec 14, 10[1004]
D628917 Voltage testerJun 01, 10Dec 14, 10[1004]
D625635 Digital multimeterJun 01, 10Oct 19, 10[1004]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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