Drilldown: Patents
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Patents > Year granted:
1911
& Related to aircraft :
0.5 or
1908-12-31 or
Yes
& National tech categories:
USPC 244/139
Use the filters below to narrow your results.
None (6) ·
airfoil (1) ·
airplane (1) ·
design (1) ·
frame (1) ·
landing (1) ·
marine (1) ·
safety (1) ·
stability (1)
Showing below up to 7 results in range #1 to #7.