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Patents > Office : AT or CL or FR or LU or NO or Other or None & Inventor country: US & Filing date: 1913 & Number of figures: 4-6

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Chester Arthur Lewis (3) · Adolph Ditriech Wittemann (2) · George Norman Albree (2) · Charles Rudolph Wittemann (2) · Thomas Clifford Starr (2) · Henry Converse Fisk (2)
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Chester Arthur Lewis (3) · Adolph Ditriech Wittemann (2) · George Norman Albree (2) · Charles Rudolph Wittemann (2) · Thomas Clifford Starr (2) · Henry Converse Fisk (2)
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None (8) · stability (7) · Airplane (5) · hybrid (4) · frame (4) · LTA (4) · propulsion (3) · HTA (3) · propellers (2) · adjudicated (2) · Propeller (2) · hydroaeroplane (2) · whole (2) · safety (2) · helicopter (2)
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