Drilldown: Patents
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Patents > Year granted:
1916
& Office :
CH or
DE or
GB or
Other
& Filing date:
May 14, 1915
& Grant date:
October 17, 1916
& National tech categories:
USPC 244/82
& CPCs :
CPC B64C11/006 or
CPC B64C13/00
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Showing below up to 1 result in range #1 to #1.