Inventor · disambiguated record
Johannes Petrus Van Der Walt
Also filed as: VAN DER WALT JOHANNES
1 granted patent·14 citations·filing 1987–1987
36Inventor score
Technology areasE21F
Files withGEN MINING UNION CORP1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →