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Patents
As the first was the Sculltrek granted the US patent on August, 26, 2003.Download pdf.
The Sculltrek bicycle is protected by the European patent in Germany, Great Britain, Denmark, France and Holland.
The Sculltrek was granted the European patent on June 30, 2007. After a national approval process, there were the national patents of other countries granted as well (see PDF files).Download pdf.
GermanyDownload pdf.
Great BritainDownload pdf.
DenmarkDownload pdf.
FranceDownload pdf.
HollandDownload pdf.