Austin, Texas
United States
3
2008-07-24
The entities that hold a legal rights for patent applications filed by inventor RUSSELL Mark A.:
Mark A. RUSSELL from Austin, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for spectral containment over telephone service lines
#2 | 2006-03-30Method and apparatus for spectral containment over telephone service lines
#3 | 2006-03-28Method and apparatus for spectral containment over telephone service lines
4219386 ⎘