I initially thought that this space was encumbered with parents but Gemini Deep Research says the main patent expired in 2018: https://docs.google.com/document/

I initially thought that this space was encumbered with parents but Gemini Deep Research says the main patent expired in 2018: https://docs.google.com/document/d/1GmWGZMe_cjszV5eEegeFiWXKxNG7Cbqt_QZSXMXkVuM/edit?usp=drivesdk https://docs.google.com/document/d/1GmWGZMe_cjszV5eEegeFiWXK...