From a post at technologizer.com:

The first three decades of digital gaming saw a flurry of concepts, technologies, and products that were groundbreaking in their era and still matter today. And the drawings their inventors used to document them in patent filings are a nostalgic, charming blast. Here are thirty-two of those sketches–including ones for some the most successful games ever and a few which I’m not sure ever made it to market at all.

Sleek 80s high-tech design

Check out the rest of the list at technologizer.com.