Most coin changer products are designed for easy repair and maintenance. Some machines feature an LED indicator that identifies problems, such as a jammed or bent coin or dirty sensor. The LED is ...
On December 16, 1884, 134 years ago today, William Henry Fruen, of Minneapolis, patented his "Automatic Liquid-Drawing Device." Designed to look like a building, Fruen's device dispensed mineral water ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback