Assignee
INT QUARTZ LTD
HK·5 granted patents·118 citations·filing 1979–1984
Top patents by PatentIndex Score
5 records- 0186USD287493SHandset telephone and stand unitINT QUARTZ LTD·Filed 1984·Granted Dec 30, 1986·23 cites·1 claims
- 0283US4475013ARepertory automatic telephone dialing apparatus wherein a name and telephone number are searched by depressing one or more letter code keysINT QUARTZ LTD·Filed 1982·Granted Oct 2, 1984·53 cites·21 claims
- 0372US4258358ADoor opening sensing and alarm producing deviceINT QUARTZ LTD·Filed 1979·Granted Mar 24, 1981·25 cites·58 claims
- 0446US4287513ADoor knob alarm deviceINT QUARTZ LTD·Filed 1979·Granted Sep 1, 1981·10 cites·19 claims
- 0540US4383253AIonization smoke detectorINT QUARTZ LTD·Filed 1979·Granted May 10, 1983·7 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →