Drilldown: Patents
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Patents > Year granted:
1920 - 1929
& Office
:
AT
or
AU
or
BE
or
CA
or
RU
& Related to aircraft
:
1912-01-30
or
Yes ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
None (2) ·
Patent AT-1917-84294 (1) ·
Patent DE 1916-10-24 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) ·
Patent DE 1916-12-07 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) ·
Patent DE-1915-300200 (1) ·
Patent DE-1917-11-26 Daimler Motoren-Gesellschaft (1) ·
Patent FR-1916-524114 (1) ·
Patent US-1916-1435244 (1) ·
Patent US-1918-1433728 (1)
Showing below up to 9 results in range #1 to #9.