3 ms·
https://patents.google.com/patent/US5570111A/en https://patents.google.com/patent/US5570111A/en expired 2014 (this is what makes the TrackPoint more than just a
by chx 3y ago
https://patents.google.com/patent/US5570111A/en https://patents.google.com/patent/US5570111A/en expired 2014 (this is what makes the TrackPoint more than just a pointing stick)
https://patents.google.com/patent/US6115030A/en https://patents.google.com/patent/US6115030A/en expired 2017