Assignee
DYCKERHOFF & WIDMANN AG OF MUN
DE·3 granted patents·87 citations·filing 1992–1996
Top patents by PatentIndex Score
3 records- 0172US5400994AYieldable roof support systemDYCKERHOFF & WIDMANN AG OF MUN·Filed 1992·Granted Mar 28, 1995·51 cites·29 claims
- 0253US5238329AMine roof support systemDYCKERHOFF & WIDMANN AG OF MUN·Filed 1992·Granted Aug 24, 1993·23 cites·18 claims
- 0338US5745996ASheathing cutting deviceDYCKERHOFF & WIDMANN AG OF MUN·Filed 1996·Granted May 5, 1998·13 cites·16 claims
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