That's probably because buckling spring keyboards are patented. The patents are ... | Hacker News

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		sp332 on March 18, 2015 \| parent \| context \| favorite \| on: Atreus – kit to build your own mechanical keyboard That's probably because buckling spring keyboards are patented. The patents are owned by Unicomp http://www.pckeyboard.com/

creshal on March 18, 2015 [–]

They were patented when Cherry invented them, rather. The patents are long expired.

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