Drilldown: Patents
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Patents > Inventor country:
ES
& Filing date:
1910 - 1919
& Related to aircraft:
Yes
& First filing:
Yes
Use the filters below to narrow your results.
aerostat (1) ·
airship (1) ·
balloon (1) ·
balloons (1) ·
braking (1) ·
construction (1) ·
design (1) ·
envelope (2) ·
frame (2) ·
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landing (1) ·
LTA (4) ·
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rigid (1) ·
safety (1) ·
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texture (1) ·
track (1)
Showing below up to 5 results in range #1 to #5.