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Abt. Generallandesarchiv Karlsruhe, N Haselwander Nr. 336
Landesarchiv Baden-Württemberg, Abt. Generallandesarchiv Karlsruhe, N Haselwander Friedrich August Haselwander (1859-1932): Ingenieur und Erfinder Verkürzte Fassung
Friedrich August Haselwander (1859-1932): Ingenieur und Erfinder Verkürzte Fassung >> 4 Technisches Werk >> 4.1 Haselwander-Patente >> 4.1.2 Ausländische Patente Haselwanders
1892-1908
Enthält: Lightning Arrester Nr.477656 (DRP Nr. 56944)
Compensating Device for Engines Nr.585755 ( DRP Nr. 80539 von Adolf Kolbe)
Hydrocarbon (Internal Combution)-Engine Nr. 887393 (DRP Nr. 182528 und Zusatzpatente); Korrespondenz