Drilldown: Patents
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Patents > Applicant type :
FIRM or
Hermann Burkardt or
INDIV or
UNIV-PRO-GOV
& Related to aircraft :
.5? or
None
& National tech categories:
FR 6.2
& Number of text pages:
2-3
Use the filters below to narrow your results.
Showing below up to 4 results in range #1 to #4.