Trackball History
Here is a list of defunct and interesting trackballs. (Note, this is not a complete list of trackball history.)
Trackball Ordered by Date
-
Marble Madness 1984 -
Alfa Data 1990 
Wico
Kraft Trackball, 1989-
Logitech Trackman 1989 -
Kensington Expert Mouse 1989 (55 mm) 
Microspeed PC-Trac, 1991?-
Logitech Trackman Stationary Mouse 1991 
Microsoft BallPoint mouse, 1991-
Logitech Trackman Portable Mouse 1991 -
Kensington Expert Mouse 1992 (55 mm) 
PC-9801 Keypad Trackball-
Highscreen 1993 -
Addison Tech Pro 1994 (51 mm) -
Stingray 1995 -
Logitech TrackMan Vista
1995 (43 mm) -
Logitech TrackMan Marble FX 1997 (52 mm) -
Kensington Turbo Mouse, 1999 (55 mm) -
Kensington Orbit 1999 -
Logitech Trackman Marble Wheel Optical 1999 -
Microsoft IntelliMouse TrackBall 1999 -
Kensington TurboRing 1999 -
A4TECH WUT-5 ScrollTrack 1998 
A4TECH WWT-13, 1999?
Kensington TurboBall, 2000-
Kensington Expert Mouse Pro, 2001 (55 mm) -
Logitech Trackman Wheel 2001 -
Microsoft TrackBall Optical 2001 (38 mm) -
Microsoft Trackball Explorer 2001 (46 mm) -
Logitech Cordless Optical Trackman 2002 -
MacMice 2005. (44 mm) -
Adesso T1 2010 -
Wacom Smart Scroll SS-200 2011 -
Sanwa MA-TB38BK 2015 (55 mm) -
Tesoro G6TL 2016
Unsorted
Logitech History
Logitech Most Important Products
