Drilldown: Patents
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- Patents (17649)
- Person (2204)
- Publications (24578)
- Techtypes (2418)
Patents > Year granted:
1900 - 1909
& National tech categories :
USPC 244/153R or
USPC 244/30 or
USPC 244/80
& Number of claims:
2-3
Use the filters below to narrow your results.
aerodynamics (1) ·
airfoil (1) ·
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ballonet (1) ·
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compartments (2) ·
flapping (1) ·
frame (4) ·
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rudder (2) ·
safety (3) ·
stability (3) ·
suspension (1)
Showing below up to 10 results in range #1 to #10.