Ernst Ruhmer
Jump to navigation
Jump to search
German patent agent Ernst Ruhmer was recorded at Berlin, Friedrichstraße 248.[1]
Patents for which Ernst Ruhmer was the patent agent
- Patent DE-1910-244354 (Inventors: Erich von Bernd, English title: Wing surface for paddle-wheel, Supplementary to patent: Patent DE-1907-196255)
References
- ↑ Verzeichnis der von dem Kaiserlichen Patentamt im Jahre 1912 erteilten Patente (1913), p. 412 – Patent DE-1910-244354.
