Inventor · disambiguated record
Henri M. Grobben
Also filed as: GROBBEN HENRI M
3 granted patents·32 citations·filing 1980–1989
63Inventor score
Technology areasG11B
Files withPHILIPS CORP3
Top patents by PatentIndex Score
3 records- 0177US4799209AClamping device for clamping an optical disc onto a drive spindlePHILIPS CORP·Filed 1987·Granted Jan 17, 1989·30 cites·7 claims
- 0224US4363120ARecord player speed changing mechanismPHILIPS CORP·Filed 1980·Granted Dec 7, 1982·0 cites·8 claims
- 0323US5050147ADisc changer, and associated player cooperating with the disc changerPHILIPS CORP·Filed 1989·Granted Sep 17, 1991·2 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →