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Patents > Office : GB or LU & Inventor country : GB or IT & Tech fields: propeller

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Hiram Stevens Maxim (4) · Francis Alexander Barton (3) · Christian Lorenzen (3) · Arthur Henry Philip Blunt (2) · Thomas Augustus Dring (2) · Rupert John Isaacson (2)
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Showing below up to 52 results in range #1 to #52.

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