Inventor

ROACH DAVID T

US4 patents

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

SIGMATEL INC

1 patent

US7366577B2Apr 29, 2008

Programmable analog input/output integrated circuit system

SIGMATEL INC30 citations87

SEER SYSTEMS INC

1 patent

US5977469ANov 2, 1999

Real-time waveform substituting sound engine

SEER SYSTEMS INC20 citations86

JABRA CORP

1 patent

US6453042B1Sep 17, 2002

Method and system for remote telephone calibration

JABRA CORP17 citations80

GN JABRA CORP

1 patent

US6990190B2Jan 24, 2006

Method and system for remote telephone calibration

GN JABRA CORP5 citations58