Which company first introduced and popularized the 'curtain wall' system that revolutionized skyscraper design in the early 20th century?

Test your knowledge of iconic architectural product brands that have shaped the industry! Many architectural products have become synonymous with their category through innovative design, reliability, or revolutionary features. This poll explores how well you can identify the originator of a famous architectural innovation that changed how buildings are designed and constructed. Even seasoned architects sometimes attribute innovations to the wrong pioneer!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Kawneer Company
Pilkington Glass
Otis Elevator Company
Carrier Corporation