Inventor · disambiguated record
Johannes Antonius Cornelis Maria De Groot
Also filed as: DE GROOT JOHANNES · DE GROOT JOHANNES ANTONIUS CORNELIA MARIA · DE GROOT JOHANNES ANTONIUS CORNELIS MARIA
3 granted patents·12 citations·filing 1978–1998
60Inventor score
Technology areasA45D
Top patents by PatentIndex Score
3 records- 0139US4167820AElectric hair dryerINDOLA COSMETICS BV·Filed 1978·Granted Sep 18, 1979·11 cites·3 claims
- 0221USD405952SKey ring with lampP P C HOLLAND B V·Filed 1998·Granted Feb 23, 1999·1 cites·1 claims
- 0318USD412284SClock in shape of cockpitP P C HOLLAND B V·Filed 1998·Granted Jul 27, 1999·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Johannes Antonius Cornelis Maria De Groot files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →