Automatic Door
The first automatic sliding doors for use by people were invented in 1954
The first automatic sliding doors for use by people were invented in 1954
The first automatic sliding doors for use by people were invented in 1954 and the first one was installed in 1960. The idea came to them in the mid-1950's, when the inventors saw that existing swing doors had difficulty operating in the high winds of Corpus Christi, Texas.Automatic Door
Reference: http://www.technovelgy.com/ct/content.asp?Bnum=763
Automatic Door
