The development of the screwdriver involved a series of innovations, including the Robertson screw and the Phillips head screw, which revolutionized manufacturing and assembly processes. The History Guy explores the story of these inventions and how they impacted industry and society. [... more]

The story of the screwdriver wars, a pivotal moment in the development of screw technology, is a testament to the power of innovation and the impact of historical forces on the success of inventions. The Robertson screw and the Phillips head screw were two types of screws that rose to the top in the early 20th century, with the Phillips head screw becoming the industry standard. The story highlights the complex interaction between inventors, historical events, and powerful personalities that can shape the fate of an invention. [... more]

The development of screw technology over two centuries led to the creation of two innovative screw types: the Robertson screw and the Phillips head screw. The Robertson screw, invented by Peter L. Robertson, was a game-changer in the 20th century, offering a safer and more efficient way to drive screws. Meanwhile, the Phillips head screw, patented by Henry Phillips, became an industry standard in the United States and worldwide, revolutionizing manufacturing and assembly processes. [... more]

The Screwdriver Wars were a pivotal moment in the development of screw technology, with the Robertson screw and Phillips head screw emerging as industry standards. The Robertson screw, patented in 1907, was a significant improvement over earlier designs, while the Phillips head screw, patented in 1933, became widely used in the US automotive industry and beyond. [... more]