Assignee
RAGSDALE SR FRANK D
3 granted patents·30 citations·filing 1988–2007
Top patents by PatentIndex Score
3 records- 0159US7748548B1Hitch assembly for a transporterRAGSDALE SR FRANK D·Filed 2007·Granted Jul 6, 2010·6 cites·47 claims
- 0246US4982488AAttaching means removal toolRAGSDALE SR FRANK D·Filed 1989·Granted Jan 8, 1991·17 cites·6 claims
- 0336US4886391AAttaching means and methodRAGSDALE SR FRANK D·Filed 1988·Granted Dec 12, 1989·7 cites·8 claims
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