Inventor

WEINERT STEPHEN

US4 patents

⚠️ This page may combine multiple inventors who share the name “WEINERT STEPHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SBC TECHN RES INC

2 patents

US6711260B1Mar 23, 2004

Method and apparatus for spectral containment over telephone service lines

SBC TECHN RES INC47 citations94

US7020275B2Mar 28, 2006

Method and apparatus for spectral containment over telephone service lines

SBC TECHN RES INC2 citations60

AT & T LABS INC

1 patent

US7352857B2Apr 1, 2008

Method and apparatus for spectral containment over telephone service lines

AT & T LABS INC3 citations60

RUSSELL MARK A

1 patent

US8144852B2Mar 27, 2012

Method and apparatus for spectral containment over telephone service lines

RUSSELL MARK A0 citations43