Drilldown: Patents
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- Patents (17535)
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Patents > Year granted:
1870 - 1879
& Granted:
Yes
& National tech categories :
AT 77d or
USPC 244/153R
& IPCs :
IPC B64C31/00 or
IPC B64C31/06
& Cites these patents :
Patent FR-1911-438363 or
None
Use the filters below to narrow your results.
Showing below up to 4 results in range #1 to #4.