Assignee
JOHNSON DAVID L
3 granted patents·24 citations·filing 1988–2012
Top patents by PatentIndex Score
3 records- 0165USD353578SElectrical plug and connection holderJOHNSON DAVID L·Filed 1993·Granted Dec 20, 1994·14 cites·1 claims
- 0249US9002070B2Automated seed package identification apparatus, system, and methodJOHNSON DAVID L·Filed 2012·Granted Apr 7, 2015·2 cites·33 claims
- 0341US5161932ARoller storage systemJOHNSON DAVID L·Filed 1988·Granted Nov 10, 1992·8 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →