It struck Adler that he could use air pressure to shorten this process. After a few weeks in his garage, he’d already created a prototype: a plastic tube that used plunger-like action to compress the flavors quickly out of the grounds. He brewed his first cup with the invention, and knew he’d made something special. Immediately, he called his business manager Alex Tennant.
Tennant tasted the brew, and stepped back. “Alan,” he said, “I can sell a ton of these.”
Delightful backstory on one of the most beloved objects in my home.