4 ms·
What is this patent actually for? I was looking up wifi, and the precursor to 802.11 came out in '91. That's well over 17 years ago.
by sukuriant 15y ago
What is this patent actually for? I was looking up wifi, and the precursor to 802.11 came out in '91. That's well over 17 years ago.
- greatreorx 15y agoUS Patent 6714559 is one they sued several hotels over. It was filed in 2001 but was a string of 6 continuations of a patent filed November, 1991.