Drilldown: Patents
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Patents > Year granted:
1913
& Applicant firm:
None
& Applicant is inventor:
Yes
& National tech categories:
USPC 244/22
& Cites these patents :
1910 or
Patent FR-1911-438363 or
None
& Number of claims:
None
& Number of diagram pages:
None
& Number of figures:
None
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Showing below up to 2 results in range #1 to #2.