Drilldown: Patents
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- Publications (24554)
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Patents > Filing date:
1800 - 1899
& Supplementary to patent :
Patent FR-1891-216860 or
None
& National tech categories:
DE 77h
Use the filters below to narrow your results.
None (4) ·
balloon (1) ·
design (1) ·
electricity (1) ·
frame (2) ·
hybrid (2) ·
LTA (2) ·
magnet (1) ·
propeller (4) ·
propulsion (2) ·
subsystem (1) ·
tail (1) ·
takeoff (1) ·
wheels (1) ·
whole (1) ·
wings (2)
Showing below up to 11 results in range #1 to #11.