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Adolf Sax files 15 year patent for C Contrabass Saxophone.
http://www.the-saxophone.com/history-of-the-saxophone.html -
Patent expires and Millereau Co. patents it with forked F# key.
The image show both the High F key invented later and the Forked F# key.
http://musiced.about.com/od/lessonsandtips/a/saxhistory.htm -
Goumas patents saxophone with fingering similar to clarinet's Boehm system.
Picture shows 3 clarinets with Boehm system which inspired it on the saxophone.
http://musiced.about.com/od/lessonsandtips/a/saxhistory.htm -
Adolf extends patent including low Bb and A and high F# and G.
http://musiced.about.com/od/lessonsandtips/a/saxhistory.htm -
Right Hand C Trill Key was devised to make fingers move less to trill.
http://musiced.about.com/od/lessonsandtips/a/saxhistory.htm -
Single octave key and rollers on low Eb and C keys devised.
http://musiced.about.com/od/lessonsandtips/a/saxhistory.htm -
Sax Factory sold to Henri Selmer Corporation.
http://musiced.about.com/od/lessonsandtips/a/saxhistory.htm
