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Patents > Inventors : Hermann Ruthenberg or Thomas Sloper & Granted: Yes

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LTA (10) · None (6) · frame (6) · subsystem (4) · Airplane (4) · Propulsion (4) · airship (4) · Propellers (4) · hydroaeroplane (4) · car (4) · Design (3) · shock-absorbers (3) · dirigible (3) · wings (3) · Construction (3)
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