Drilldown: Patents
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Patents > Office
:
DE
or
FR
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None
& Applicant firm
:
Aéroplanes Morane-Saulnier
or
British and Colonial Aeroplane Co.
or
Rumpler-Werke G.m.b.H. in Berlin-Johannisthal
or
Société anonyme Astra AB
or
Sperry Gyroscope Company
& Supplementary to patent:
Patent GB-1912-29012.15939 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 2 results in range #1 to #2.