Drilldown: Patents
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Patents > Inventor country:
DE
& Applicant type :
Hermann Burkardt or
INDIV or
INDIV + COMPANY or
Other
& Related to aircraft :
1? or
Partially
& National tech categories:
None
& Number of claims:
3-4
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.