Drilldown: Patents
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Patents > Office:
US
& Inventor country :
ES or
SE or
US
& Assigned to:
None
& National tech categories:
USPC 244/80
& Number of text pages:
2-3
& Number of claims:
4-5
Use the filters below to narrow your results.
Showing below up to 9 results in range #1 to #9.