Individual holder
FERRALLI MICHAEL W
5 granted patents·158 citations·filing 1981–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0180US4421200AElliptically shaped transducer enclosureFERRALLI MICHAEL W·Filed 1981·Granted Dec 20, 1983·39 cites·7 claims
- 0272US4474827AIon induced thin surface coatingFERRALLI MICHAEL W·Filed 1982·Granted Oct 2, 1984·26 cites·6 claims
- 0371US4836328AOmnidirectional acoustic transducerFERRALLI MICHAEL W·Filed 1987·Granted Jun 6, 1989·49 cites·9 claims
- 0467US4629030APhase coherent acoustic transducerFERRALLI MICHAEL W·Filed 1985·Granted Dec 16, 1986·26 cites·14 claims
- 0556US4844198APlane wave focusing lensFERRALLI MICHAEL W·Filed 1988·Granted Jul 4, 1989·18 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →