Assignee

KORFMANN GMBH MASCHF

DE·2 granted patents·70 citations·filing 1978–1980

Technology mixB23D1 B23Q1 B28D1 E21F1 F16L1 Y10T1

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2 records

0172US4321967ASuction of gases from boreholes in coal miningKORFMANN GMBH MASCHF·Filed 1980·Granted Mar 30, 1982·44 cites·12 claims
0270US4181115APower control of a stone cutting machine having cutting chainsKORFMANN GMBH MASCHF·Filed 1978·Granted Jan 1, 1980·26 cites·4 claims

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