Individual holder
MCGRAIL JOHN F
3 granted patents·134 citations·filing 1981–1984
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0182US4401014AAutomatic coffee-brewing apparatusMCGRAIL JOHN F·Filed 1981·Granted Aug 30, 1983·66 cites·11 claims
- 0277US4491989AClosure device for toilet seatsMCGRAIL JOHN F·Filed 1984·Granted Jan 8, 1985·52 cites·9 claims
- 0344US4564974ASecurity hingeMCGRAIL JOHN F·Filed 1984·Granted Jan 21, 1986·16 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →