Matches in DBpedia 2016-04 for { ?s ?p "A Royak is a sit-on-top boat that integrates the features of a surf board and a kayak.It was invented by Roy Grabenauer in 1968 after years of experimenting with various designs and technologies, although Tim Niemier is credited as having popularized the craft with the rotomold process."@en }
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- Royak comment "A Royak is a sit-on-top boat that integrates the features of a surf board and a kayak.It was invented by Roy Grabenauer in 1968 after years of experimenting with various designs and technologies, although Tim Niemier is credited as having popularized the craft with the rotomold process.".
- Q7373554 comment "A Royak is a sit-on-top boat that integrates the features of a surf board and a kayak.It was invented by Roy Grabenauer in 1968 after years of experimenting with various designs and technologies, although Tim Niemier is credited as having popularized the craft with the rotomold process.".