Assignee
BUSH DAVID E
US·3 granted patents·28 citations·filing 1990–2007
Technology mixE02F1
Top patents by PatentIndex Score
3 records- 0159US5066188AApparatus for loading and unloading open top railroad carsBUSH DAVID E·Filed 1990·Granted Nov 19, 1991·26 cites·6 claims
- 0228USD554668SVertically-adjustable rail-engaging wheelsBUSH DAVID E·Filed 2007·Granted Nov 6, 2007·1 cites·1 claims
- 0328USD534928SPivoting rail-engaging wheelsBUSH DAVID E·Filed 2005·Granted Jan 9, 2007·1 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →