Individual holder
MASSA DONALD P
US·3 granted patents·76 citations·filing 1977–1978
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0195US4183011AUltrasonic cleaning systemsMASSA DONALD P·Filed 1977·Granted Jan 8, 1980·64 cites·8 claims
- 0243US4191904AElectroacoustic transducers of the flexural resonant vibratile typeMASSA DONALD P·Filed 1978·Granted Mar 4, 1980·7 cites·10 claims
- 0341US4123567AProcess for applying electrodes to the surfaces of electroacoustic transducer elements such as ceramic discsMASSA DONALD P·Filed 1977·Granted Oct 31, 1978·5 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →