Drilldown: Patents
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Patents > Office :
CU or
FR
& Applicant firm:
None
& National tech categories :
FR 20 or
USPC 244/153R or
USPC 244/3.23 or
USPC 244/30 or
None
& CPCs:
CPC B64C2700/6295
& First filing:
No
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Showing below up to 110 results in range #1 to #110.