Inventor · disambiguated record

Detlev Lettau

Also filed as: LETTAU DETLEV

1 granted patent·0 citations·filing 2009–2009

10Inventor score

Technology areasE21D

Files withONSORI SIAMAK1

Top patents by PatentIndex Score

1 record

0144US8215876B2Shield cap for a shield-type mining supportONSORI SIAMAK·Filed 2009·Granted Jul 10, 2012·0 cites·21 claims

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