Individual holder
DAY RALPH K
4 granted patents·131 citations·filing 1973–1983
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0181US3932971AWindow constructionDAY RALPH K·Filed 1973·Granted Jan 20, 1976·37 cites·3 claims
- 0276US4542611ADouble glass sheet insulating windowsDAY RALPH K·Filed 1983·Granted Sep 24, 1985·38 cites·7 claims
- 0374US4065894AReplaceable double glazed window defogging appliance and window structure thereforDAY RALPH K·Filed 1975·Granted Jan 3, 1978·32 cites·6 claims
- 0461US4394806AMultiple pane insulating structure having means for removing moisture between facing surfaces thereofDAY RALPH K·Filed 1980·Granted Jul 26, 1983·24 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →