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Patents > Grant date: 1913 & National tech categories: None & Number of figures: 3-4

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Inventors:
Alexander von Willisch (2) · Matthew Arlington Batson (2) · Joseph Allison Steinmetz (2)
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None (2) · Alexander von Willisch (2) · Joseph Allison Steinmetz (2) · Matthew Arlington Batson (2)
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Tech fields:
airplane (9) · None (7) · aerodynamics (6) · Stability (6) · design (6) · Propellers (5) · frame (5) · wings (5) · LTA (4) · military (4) · propulsion (4) · HTA (4)
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CPCs:
None (5) · CPC B64C17/00 (3) · CPC B64C11/006 (2) · CPC B64C2700/6295 (2) · CPC B64C2700/6256 (2) · CPC B64C2700/6218 (2) · CPC B64C39/008 (2) · CPC B64C39/08 (2) · CPC B64C13/00 (2) · CPC B64C33/02 (2) · CPC B64C35/00 (2) · CPC B64B1/00 (2) · CPC F42B10/56 (2)
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