From Pipes, Artisans and Trademarks, by José Manuel Lopes
Klaus Ruigrok is the brand of sculptor and pipe artisan, Klaus Ruigrok van de Werve. Some pipes are unusually shaped, but extremely beautiful and imaginative.
Dirk Ruigrok van de Werve, Son of Klaus Ruigrok van de Werve
German Pipe Maker
Website: Ruigrok Pipes (Not currently working --sethile (talk) 12:05, 20 June 2015 (CDT))