Patent IT-1907-90668

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  • Inventor location: Stockholm
  • Registro attestati: 250/11

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Year filed 1907
Year granted 1907
Office IT
Patent number 90668
Inventors Erik Emanuel Lindkvist
Inventor country Sweden
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Original title Propulseur pour navires, aéroplanes et autres
English title Propeller for ships, airplanes, and other [vessels]
Tech fields propeller, propulsion, marine
Filing date 1907-08-012
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Related to aircraft? 1
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National tech categories IT 8
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