Do they have a patent on the magnetic reader that interfaces using an phone jack... | Hacker News

Hacker Timesnew | past | comments | ask | show | jobs | submit

		khangtoh on Dec 1, 2009 \| parent \| context \| favorite \| on: Squareup Do they have a patent on the magnetic reader that interfaces using an phone jack? Just curious.

iamdanw on Dec 1, 2009 [–]

I've seen prior art for this, so I should expect not

Consider applying for YC's Summer 2026 batch! Applications are open till May 4
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact