Austin, Texas
United States
5
2009-12-08
The entities that hold a legal rights for patent applications filed by inventor Li Jin:
Jin Li from Austin, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for DC feed
#2 | 2007-07-03Method and apparatus for detecting line card threshold
#3 | 2007-03-13Method and apparatus for adaptive DC level control
#4 | 2005-08-16Method and apparatus for reducing false hook detection
#5 | 2005-03-08Method and apparatus for switch hook detection
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