Reminder that patents filed in 1997 expired years ago. I suspect that the lack o... | Hacker News

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		neltnerb on Jan 9, 2020 \| parent \| context \| favorite \| on: 13.3" full color ePaper display Reminder that patents filed in 1997 expired years ago. I suspect that the lack of competitors has more to do with the incredible complexity of manufacturing them reliably than due to IP issues. Unlike 3D printers which went wild after Stratasys patents finally expired.

jonhendry18 on Jan 10, 2020 [–]

There's probably a bunch of patents related to the manufacturing process or mechanisms.

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