Drilldown: Patents
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Patents > Filing date:
1917
& Related to aircraft :
1 or
1909-11-30
& CPCs :
CPC B64C11/006 or
CPC B64C39/00
& Citations from after 1930:
None
& Number of diagram pages:
None
Use the filters below to narrow your results.
1267317 (1) ·
1659317 (1) ·
333117 (1) ·
334340D (1) ·
406917 (1) ·
490505D (1) ·
492820D (1) ·
494870D (1) ·
495880D (1) ·
520782D (1)
Showing below up to 10 results in range #1 to #10.