Inventor · disambiguated record
Frans Sippo Wiegand Smits
Also filed as: SMITS FRANS SIPPO WIEGAND
1 granted patent·39 citations·filing 2001–2001
46Inventor score
Technology areasE21B
Files withSHELL OIL CO1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →