Inventor · disambiguated record
Franciscus Johannes Marie Swinkels
Also filed as: SWINKELS FRANCISCUS J M · SWINKELS FRANCISCUS JOHANNES M · SWINKELS FRANCISCUS JOHANNES MARIE
3 granted patents·1 pending application·16 citations·filing 1979–2009
64Inventor score
Top patents by PatentIndex Score
4 records- 0158US4263164AMethod of preparing a luminescent aluminatePHILIPS CORP·Filed 1979·Granted Apr 21, 1981·11 cites·7 claims
- 0251US7718877B2Device and musical instrumentADAMS PAUKENFABRIEK B V·Filed 2009·Granted May 18, 2010·3 cites·14 claims
- 0345US7288707B2Device for setting the tension of a skin of a musical instrumentADAMS PAUKENFABRIEK B V·Filed 2005·Granted Oct 30, 2007·2 cites·12 claims
- 0431US2006180003A1Percussion instrument with improved damping mechanismSWINKELS FRANCISCUS J M·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →