Inventor · disambiguated record
Eero Hirvisaari
Also filed as: HIRVISAARI EERO
1 granted patent·24 citations·filing 1976–1976
42Inventor score
Technology areasE21B
Files withSALMI PEKKA1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →