GreenBorder Technologies, were original pioneers of sandbox
they were purchased by Google ,
and that was their down fall
hxxp://www.infoworld.com/d/security-central/greenborder-cages-malware-232
they had what you would conciser today as a sandbox,
Although don't know if they were the original concept of Sand boxing
or if they purchased the tech form someone else ,
their sandbox today so would not stand up to today s malware or root-kits