Development in the Plastic industry also boosts the packaging industry and make it more diversified. Customer can also choose box package that they can see products inside. Window Patching Machine was invented in this period. Who is the first one invented the window patching machine can’t be traced. Kohmann who was established in the 1950s is probably the first company claiming this business. http://www.tsjiasun.com/lamination-and-patching-machine/window-patcher/