NIHF Inductee Henry Phillips Invented the Phillips Screw

National Inventors Hall of Fame Inductee Henry Phillips invented the Phillips screw, where its significance lies in the self-centering property.

The History of Phillips Screws

Tools: Why was the Phillips screw invented? - Quora

Henry Phillips's Instagram, Twitter & Facebook on IDCrawl

The History of Early and Modern Screws and Screwdrivers

The History of Early and Modern Screws and Screwdrivers

Tools: Why was the Phillips screw invented? - Quora

How the Phillips Screwdriver Took Over America

Henry F. Phillips 1890-1958

Henry Phillips's Instagram, Twitter & Facebook on IDCrawl

the phillips screw: why? [a sentimental history]

Henry Phillips Hi-res Stock Photography And Images Alamy

Henry F. Phillips 1890-1958