Assignee

LANGSDORFF BAU

2 granted patents·130 citations·filing 1975–1982

Technology mixE01C2 B28B1

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2 records

0191US4016692AComposite paving structures and laying units thereforLANGSDORFF BAU·Filed 1975·Granted Apr 12, 1977·85 cites·41 claims
0282US4583341AInterlocking ground covering elements and arrangements of them for mechanical layingLANGSDORFF BAU·Filed 1982·Granted Apr 22, 1986·45 cites·11 claims

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