Assignee
QUALIDUX INDUSTRIAL COMPANY LTD
HK·3 granted patents·11 citations·filing 1977–1994
Top patents by PatentIndex Score
3 records- 0146USD254010SFilm cassette viewerQUALIDUX INDUSTRIAL COMPANY LTD·Filed 1977·Granted Jan 22, 1980·3 cites·1 claims
- 0244USD370592SSteamerQUALIDUX INDUSTRIAL COMPANY LTD·Filed 1994·Granted Jun 11, 1996·7 cites·1 claims
- 0326USD263241SFilm viewerQUALIDUX INDUSTRIAL COMPANY LTD·Filed 1980·Granted Mar 2, 1982·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when QUALIDUX INDUSTRIAL COMPANY LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →