Inventor · disambiguated record

Harald Peterson

Also filed as: PETERSON HARALD

1 granted patent·3 citations·filing 1990–1990

21Inventor score

Technology areasE21B

Files withWESER EMS ENERGIEVERSORGUNG1

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1 record

0115US5147147AMethod for the removal of aqueous liquids from the sump of an underground cavityWESER EMS ENERGIEVERSORGUNG·Filed 1990·Granted Sep 15, 1992·3 cites·6 claims

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