Company Portfolio

Phillips Screw Co

Patents indexed

Year range

1936

mechanicalautomotiveconsumer_electronics

Key Inventors

All Patents

Career timeline

1 patents, in 1936

Dot size = forward citations

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

The Invention of the Phillips Head Screw

A 1936 patent for a cross-shaped screw head designed to keep a screwdriver centered and prevent it from slipping during high-speed assembly.

Patent monitoring