Inventor · disambiguated record

Roland Erdmann

Also filed as: ERDMANN ROLAND

2 granted patents·7 citations·filing 1990–1991

53Inventor score

Technology areasY10T

Files withJENOPTIK JENA GMBH2

Top patents by PatentIndex Score

2 records

0133US5035781AElectrolyte for the production of black surface layers on light metalsJENOPTIK JENA GMBH·Filed 1990·Granted Jul 30, 1991·6 cites·2 claims
0221US5075178ABlack surface layer on light metalJENOPTIK JENA GMBH·Filed 1991·Granted Dec 24, 1991·1 cites·2 claims

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