1995 — Mouse Systems ProAgio / Genius EasyScroll Mouse
The Genius EasyScroll Mouse, also known as the Mouse Systems ProAgio Scroll Mouse, is the first mass-produced mouse with a scroll wheel. The mouse was released in 1995, five years after Mouse Systems was acquired by KYE, owner of the Genius brand. The mouse is ergonomically shaped. It has five fairly large buttons with ribbed edges, and the left button…
