Individual holder
CHEN CHANG C
TW·3 granted patents·27 citations·filing 1979–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0151US4266363AAutomatic trap for catching cockroachCHEN CHANG C·Filed 1979·Granted May 12, 1981·16 cites·7 claims
- 0242US4255891AAutomatic animal-trapping deviceCHEN CHANG C·Filed 1979·Granted Mar 17, 1981·11 cites·9 claims
- 0315US4400678AFuse switch boxCHEN CHANG C·Filed 1981·Granted Aug 23, 1983·0 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →