Assignee
ZINGERMAN DAVID
US·3 granted patents·29 citations·filing 2000–2003
Top patents by PatentIndex Score
3 records- 0175US6669038B1Self-propelled craneZINGERMAN DAVID·Filed 2000·Granted Dec 30, 2003·18 cites·4 claims
- 0254US6808338B2Method and system for lifting of the massive constructionsZINGERMAN DAVID·Filed 2003·Granted Oct 26, 2004·9 cites·2 claims
- 0348US6981824B2Sling-traverse device for massive object lifting systemZINGERMAN DAVID·Filed 2003·Granted Jan 3, 2006·2 cites·1 claims
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