Inventor · name-matched record

HAKKINEN LEO

1 granted patent·2 citations·filing 1984–1984

18Inventor score

Technology areasE21B

This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.

Top patents by PatentIndex Score

1 record

0125US4676322ASupporting arrangement for a feed device for a rock drilling machineTAMPELLA OY AB·Filed 1984·Granted Jun 30, 1987·2 cites·11 claims

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Identity basis: exact name match across USPTO filings. How scoring works →