The Combimouse is a combination Keyboard and Mouse featuring a standard QWERTY keyboard and integrated standard mouse. It’s one of the weirdest things I’ve ever seen with a QWERTY layout. Apparently they are still looking to bring this to market.
An early combimouse prototype was succesfully tested by Wichita State University and they say they have all of the issues ironed out. The left unit is stationary and provides the function of the left hand side of a conventional QWERTY keyboard. While the right unit has a similar mass and center of gravity to a typical mouse. It also has a similar grip.