Underwood (Schreibmaschine) (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Underwood (Schreibmaschine)" in German language version.

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espacenet.com

worldwide.espacenet.com

  • Patent US633672A: Type Writing Machine. Angemeldet am 7. Juli 1897, veröffentlicht am 26. September 1899, Anmelder: John T. Underwood, Erfinder: Herman L. Wagner, Franz X. Wagner.

nycgovparks.org

  • Underwood Park. New York City Department of Parks & Recreation, 23. Oktober 2010, abgerufen am 23. Oktober 2010 (englisch).

time.com

content.time.com