In this collection
8 patents
US 1219881 · 1917 · Hookless Fastener Co
How Gideon Sundback Invented the Modern Zipper
US 2569347 · 1951 · Bell Telephone Laboratories Inc
The Invention of the Junction Transistor
US 2717437 · 1955 · Velcro SA
How George de Mestral Invented Velcro
US 2780765 · 1957 · Bell Telephone Laboratories Inc
How the First Practical Silicon Solar Cell Works
US 3005282 · 1961 · Interlego AG
How the Modern LEGO Brick Design Works
US 3138743 · 1964 · Texas Instruments Inc
How Jack Kilby Invented the First Integrated Circuit
US 3387286 · 1968 · International Business Machines Corp
How Robert Dennard Invented the One-Transistor DRAM Memory Cell
US 3541541 · 1970 · Stanford Research Institute