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US10850837B2
(en)
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Air vehicle flight mechanism and control method for non-sinusoidal wing flapping
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US6659397B1
(en)
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Control system for ornithopter
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US6824094B2
(en)
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Power assembly for ornicopter
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US7255305B2
(en)
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Flying device utilizing natural principles
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US9080450B2
(en)
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Stirling engine with flapping wing for an emission-free aircraft
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US4155195A
(en)
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Toy airplane
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US5194029A
(en)
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Floatable structure propelling mechanism
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US6632119B2
(en)
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Winding device and ornithopter utilizing same
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US7918707B2
(en)
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Toy aircraft with modular power systems and wheels
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US7600712B2
(en)
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Ornithopter
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US6544092B1
(en)
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Toy ornithopter aircraft
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US3728814A
(en)
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Toy ornithopter wind-driving mechanism
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US2814907A
(en)
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Toy aircraft
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US8202137B2
(en)
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Toy aircraft with modular power systems and wheels
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US4622020A
(en)
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Glove puppet figure assembly and powered wing drive mechanism
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US1031623A
(en)
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Propelling mechanism for aerocraft.
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US4992072A
(en)
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Fluttering toy
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US4608025A
(en)
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Glove puppet figure assembly with articulated head components
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US2182406A
(en)
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Toy aircraft
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US986364A
(en)
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Flying-machine.
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DD26326A
(en)
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