Drilldown: Patents
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Patents > Year granted:
1913
& Supplementary to patent:
1
& IPCs:
None
& CPCs :
CPC B64C11/006 or
CPC B64C3/385 or
CPC B64C33/02 or
None
& Family year:
1910 - 1919
& Number of claims:
3-5
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Showing below up to 1 result in range #1 to #1.