Assignee
ARMSTRONG JAMES A
3 granted patents·71 citations·filing 1976–1985
Top patents by PatentIndex Score
3 records- 0176US4201597ANo dig seepage pit cleanerARMSTRONG JAMES A·Filed 1976·Granted May 6, 1980·33 cites·1 claims
- 0254US4629032ABuilding wall descent device having a manually operated brake meansARMSTRONG JAMES A·Filed 1985·Granted Dec 16, 1986·23 cites·21 claims
- 0352US4520895ABuilding wall descent device having manually operated brake meansARMSTRONG JAMES A·Filed 1983·Granted Jun 4, 1985·15 cites·30 claims
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