Inventor · disambiguated record

Lewis M. Koppel

Also filed as: KOPPEL LEWIS M

2 granted patents·29 citations·filing 1988–1988

61Inventor score

Technology areasB02C H05H

Files withCARBORUNDUM CO2

Top patents by PatentIndex Score

2 records

0163US4932166AInert autogenous attrition grindingCARBORUNDUM CO·Filed 1988·Granted Jun 12, 1990·16 cites·51 claims
0246US4896017AAnode for a plasma arc torchCARBORUNDUM CO·Filed 1988·Granted Jan 23, 1990·13 cites·4 claims

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