Inventor
IGLEHART DAVID
US17 patents
⚠️ This page may combine multiple inventors who share the name “IGLEHART DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS INF & COMM NETWORKS
9 patentsUS6061446AMay 9, 2000
Mousepad telephone
SIEMENS INF & COMM NETWORKS55 citations94
US6002763ADec 14, 1999
Telephone with a mute ringer function having an automatic ringer reactivation capability
SIEMENS INF & COMM NETWORKS64 citations94
US5903626AMay 11, 1999
Diagnostic device for troubleshooting remote digital feature phones
SIEMENS INF & COMM NETWORKS54 citations94
US6091812AJul 18, 2000
Apparatus and method for automatically switching a headset between a telephone and a second audio source
SIEMENS INF & COMM NETWORKS65 citations93
US6115604ASep 5, 2000
Method and apparatus for connecting wireless transmissions to analog phone lines
SIEMENS INF & COMM NETWORKS46 citations92
US6125180ASep 26, 2000
Durable telephone with no moving parts
SIEMENS INF & COMM NETWORKS8 citations72
US6115464ASep 5, 2000
Method and system for distinguishing valid DTMF signals from spurious DTMF noise
SIEMENS INF & COMM NETWORKS13 citations69
US6058167AMay 2, 2000
Apparatus and method to provide a functional and more user-friendly interface for downloaded ISDN telephony features
SIEMENS INF & COMM NETWORKS12 citations69
US6522724B2Feb 18, 2003
Apparatus and method that allow telephone callers to leave longer messages
SIEMENS INF & COMM NETWORKS0 citations49
SIEMENS INF & COMM MOBILE LLC
2 patentsROLM SYSTEMS
2 patentsUS5815562ASep 29, 1998
Apparatus and method for providing a user with one telephone number that rings phones on heterogeneous systems worldwide
ROLM SYSTEMS39 citations88
US5857019AJan 5, 1999
Apparatus and method for providing a telephone user with control of the threshold volume at which the user's voice will take control of a half-duplex speakerphone conversation
ROLM SYSTEMS7 citations68