[PATENTS]

[PATENTS] ARCHIVES of Dimitri RIABOUCHINSKY RIABOUCHINSKY, Dimitri (1882–1962) — Autograph • Extensive correspondence with the French engineering firm Lavoix & Mosès, based in Paris. The technical department of Lavoix & Mosès offered services for filing patents for inventions, as well as for validating patents in other countries. Dimitri Pavlovich Riaboushinsky began using their services as early as 1922; the correspondence presented here illustrates a long-standing collaboration

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Books & manuscripts

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Paris