On Sat, 2010-10-09 at 09:32 -0400, Amarjeet Singh wrote:
> Who has the patent to the typewriter? Probably it would then extend to
> keyboard too.

Not sure about typewriters, but keyboards are patented:

http://patft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=D624,916.PN.&OS=PN/D624,916&RS=PN/D624,916

http://www.patentgenius.com/patent/D624916.html



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