VIc FooReeee 🚀 📈 💰 on Nostr: While working in Buffalo Smith came up with the idea for his pocket protector, which ...

While working in Buffalo Smith came up with the idea for his pocket protector, which he patented in 1947. The time was ripe for such an invention because the ubiquitous fountain pen was notorious for leaking ink, as was the ballpoint pen then being introduced in America.

https://www.americanscientist.org/article/rise-and-fall-of-the-pocket-protector