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Patents > CPCs : CPC A44B13/0011 or CPC B64C2700/6274 & Number of figures: 5-8

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Inventors:
None (3) · Harvey Mcmaster Lloyd (2) · Alfred William Turner (2) · Walter Fisher Luff (2) · Thomas Augustus Dring (2) · Carl Hanschke (2) · Nelson Leslie Hyatt (2) · Douglas Dobbins (2)
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Applicant person:
None (3) · Douglas Dobbins (2) · Harvey Mcmaster Lloyd (2) · John Day De Prez (2) · Alfred William Turner (2) · Walter Fisher Luff (2) · Thomas Augustus Dring (2) · Nelson Leslie Hyatt (2) · Carl Hanschke (2)
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Tech fields:
None (19) · airplane (11) · helicopter (9) · propulsion (9) · propellers (7) · frame (6) · design (6) · hybrid (6) · whole (6) · propeller (4) · construction (4) · lift (4) · heavier-than-air (4)
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Patent agent:
None (6) · Phillipss (2) · Hy. Fairbrother (2) · Lockwood & Lockwood (2) · None (2) · W. P. Thompson & Co. (2)
CPCs: (Click arrow to add another value)
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