Drilldown: Patents
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Patents > Year granted:
1910 - 1919
& Office :
DE or
HU
& National tech categories :
DE 46c.5 or
DE 77h
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Showing below up to 11 results in range #1 to #11.
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- Main
- Timeline: Year filed
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- Timeline: Filing date
- Timeline: Full specification filed date
- Timeline: Grant date
- Timeline: Publication date
- Timeline: Family year
- Calendar: Year filed
- Calendar: Year granted
- Calendar: Full specification filed date
- Calendar: Grant date
- Calendar: Family year