Drilldown: Patents

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Patents > Number of text pages: 2 & Number of diagram pages: 4-5

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Inventors:
Alexis Rogestvensky (2)
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Applicant person:
None (3) · Alexis Rogestvensky (2)
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Tech fields:
None (13) · airplane (10) · LTA (10) · navigation (7) · propulsion (7) · propeller (5) · stability (5) · frame (5) · airship (4) · design (4) · helicopter (4) · balloon (3) · landing (3) · flapping (3)
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Related to aircraft:
CPCs:
CPC B64B1/00 (9) · CPC B64C17/00 (4) · None (3) · CPC B64C33/02 (3) · CPC B64C23/005 (3) · CPC B64C27/12 (2) · CPC B64C33/00 (2) · CPC F16H1/222 (2) · CPC B64C27/82 (2)
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Citations from after 1930:
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