Drilldown: Patents
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Patents > Inventor country :
CA or
US
& IPCs :
IPC B64C35/00 or
None
& Family year:
1880 - 1889
& Number of text pages:
4-50000000
& Number of claims:
5-8
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.