Drilldown: Patents
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- Airplane (18)
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- Organizations (969)
- 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:
1-2
Use the filters below to narrow your results.
ballonet (1) ·
balloon (1) ·
car (1) ·
compartments (2) ·
entertainment (1) ·
frame (2) ·
fun (1) ·
hydrogen (1) ·
instrument (1) ·
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LTA (4) ·
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military (2) ·
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parachute (1) ·
photography (1) ·
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rigid (1) ·
safety (1)
Showing below up to 6 results in range #1 to #6.