Drilldown: Patents
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Patents > Year filed:
1880 - 1889
& Applicant type :
FIRM or
INDIV
& Related to aircraft :
1? or
Yes or
`1
& National tech categories:
GB 4 framework
& Number of claims:
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.