Drilldown: Patents
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Patents > Year filed:
1893
& Office :
DE or
GR
& Grant date:
July 16, 1894
& National tech categories:
DE 62b
& IPCs :
IPC B64B1/00 or
IPC B64C11/00 or
IPC B64C33/00 or
IPC B64C33/02
& Citations from after 1930:
None
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Showing below up to 1 result in range #1 to #1.