Drilldown: Patents
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- Airplane (18)
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- Letters (683)
- Organizations (967)
- Patents (17617)
- Person (2158)
- Publications (24571)
- Techtypes (2383)
Patents > Filing date:
1800 - 1899
& Supplementary to patent:
Patent GB-1897-30259
& National tech categories :
DE 77h or
GB 4 propel & steer or
USPC 244/153R or
USPC 244/90R
& Cites these patents :
Patent AT-1909-47911 or
Patent GB-1909-25116 or
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.