Drilldown: Patents
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- Airplane (18)
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- Organizations (969)
- Patents (17648)
- Person (2199)
- Publications (24575)
- Techtypes (2411)
Patents > Publication date:
1900 - 1999
& National tech categories:
DK 77
& Citations from after 1930:
None
& Number of text pages:
3-7
Use the filters below to narrow your results.
None (1) ·
airplane (5) ·
balloon (1) ·
compartments (1) ·
Construction (3) ·
Design (4) ·
Flapping (1) ·
frame (4) ·
gas (1) ·
human-powered (1) ·
Lift (2) ·
LTA (2) ·
navigation (2) ·
Propellers (2) ·
Propulsion (1) ·
stability (5) ·
takeoff (1) ·
wheels (2) ·
Whole (1) ·
Wings (3)
Showing below up to 11 results in range #1 to #11.