Assignee
HELMS MAN IND CO LTD
CN·5 granted patents·71 citations·filing 1995–2006
Technology mixH01R3
Top patents by PatentIndex Score
5 records- 0181USD543147SChangeable plugs systemHELMS MAN IND CO LTD·Filed 2004·Granted May 22, 2007·27 cites·1 claims
- 0273US7223126B2Plug device with a plug adapterHELMS MAN IND CO LTD·Filed 2004·Granted May 29, 2007·27 cites·17 claims
- 0363USD556138SChangeable plugs systemHELMS MAN IND CO LTD·Filed 2006·Granted Nov 27, 2007·13 cites·1 claims
- 0437US6655996B1Wall socket with swaged prongsHELMS MAN IND CO LTD·Filed 2002·Granted Dec 2, 2003·2 cites·6 claims
- 0512US5588882AWall socket with twist lock prongsHELMS MAN IND CO LTD·Filed 1995·Granted Dec 31, 1996·2 cites·6 claims
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