User's Manual
followingpatents:
U.S. Patents:5831408, 5844392, 5857986, 5907487, 5959613, 6020875, 6088017, 6104158,
6219032, 6246390, 6252583, 6271833, 6275213, 6278439, 6343349, 6400352, 6411276, 6424333,
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