Alexandria, Virginia
United States
5
2013-01-03
The entities that hold a legal rights for patent applications filed by inventor Eftis Paul S.:
Paul S. Eftis from Alexandria, US has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method for maintaining presence and communicating over a computer network using the HTTP protocol
#2 | 2007-05-17System and method for maintaining presence and communicating over a computer network using the HTTP protocol
#3 | 2007-05-17System and method for maintaining presence and communicating over a computer network using the HTTP protocol
#4 | 2007-05-10System and method for maintaining presence and communicating over a computer network using the HTTP protocol
#5 | 2007-01-30System using HTTP protocol for maintaining and updating on-line presence information of new user in user table and group table
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