Individual holder
MAYFIELD ESTHER O
3 granted patents·88 citations·filing 1977–1977
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0183US4152567AMicrowave water heaterMAYFIELD ESTHER O·Filed 1977·Granted May 1, 1979·48 cites·8 claims
- 0272USD253731SIdentification tag for an animal collar or similar articleMAYFIELD ESTHER O·Filed 1977·Granted Dec 18, 1979·13 cites·1 claims
- 0372US4165455ASteam or hot-water boilerMAYFIELD ESTHER O·Filed 1977·Granted Aug 21, 1979·27 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →