View source for Patent FR-1909-405193

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=== Sources ===
* {{FRpatentsources|405193A}}
{{Patent
|Year filed=1909
|Year granted=1909
|Office=FR
|Patent number=405193
|Inventors=Friedrich Ludwig Bartelt
|Inventor country=GB
|Applicant person=Friedrich Ludwig Bartelt
|Applicant firm=
|Applicant type=INDIV
|Applicant is inventor=1
|Original title=
|English title=
|Tech fields=
|Filing date=1909-07-17
|Full specification filed date=
|Application number=405193D
|Grant date=1909-12-22
|Granted=1
|Publication date=
|Supplementary to patent=
|Related to aircraft=1
|Serial number=
|Patent agent=
|Assigned to=
|National tech categories=
|IPCs=
|CPCs=CPC B64C39/00; CPC B64C2700/6295
|Family year=1909
|First filing=1
|Cites these patents=
|Citations from after 1930=
|Application ID=19224408
|INPADOC family ID=5301610
|Number of text pages=
|Number of diagram pages=
|Number of figures=
|Number of claims=
}}