Drilldown: Patents
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Patents > Related to aircraft :
0.5 or
1/2 or
1852-08-14 or
`1 or
marine or
yes, Jul 6 1908
& Number of text pages:
3-7
& Number of claims:
3-5
Use the filters below to narrow your results.
Showing below up to 6 results in range #1 to #6.