Bedford
Canada
4
2007-06-07
The entities that hold a legal rights for patent applications filed by inventor Keast Liam:
Liam Keast from Bedford, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
External detection of optional telephone services on a telephone line
#2 | 2007-01-02External detection of optional telephone services on an unknown telephone line
#3 | 2005-09-27External detection of optional telephone services
#4 | 2005-01-27Multi-user call waiting
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