Assignee

HOFFMANN DIETER

DE·2 granted patents·4 citations·filing 1978–2007

Technology mixB29D1 B32B1 B65G1 E21C1 Y10T1

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2 records

0144US8657978B2Method for producing a transport/drive beltHOFFMANN DIETER·Filed 2007·Granted Feb 25, 2014·0 cites·8 claims
0239US4225190AMining drum with cutting and shearing bits on conical ringHOFFMANN DIETER·Filed 1978·Granted Sep 30, 1980·4 cites·15 claims

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