Drilldown: Patents
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- Airplane (18)
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- Letters (683)
- Organizations (965)
- Patents (17611)
- Person (2131)
- Publications (24568)
- Techtypes (2379)
Patents > Year granted:
1890 - 1899
& Granted:
No
& Related to aircraft
:
-1
or
0.5
or
0?
or
Partially
or
marine
or
Other
& Assigned to:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
Use the filters below to narrow your results.
None (5) ·
balloon (1) ·
car (1) ·
dirigible (1) ·
frame (1) ·
glider (1) ·
LTA (1) ·
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propeller (1) ·
propulsion (1)
Showing below up to 8 results in range #1 to #8.