Inventor

KIRCHNER MIKE

US5 patents

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

XORAIL INC

2 patents

US11468766B2Oct 11, 2022

Obstruction detection system

XORAIL INC2 citations62

US12441307B2Oct 14, 2025

Obstruction detection system

XORAIL INC0 citations41

WORLDCOM INC

1 patent

US6697474B1Feb 24, 2004

Systems and methods for receiving telephone calls via instant messaging

WORLDCOM INC169 citations96

VERIZON BUSINESS GLOBAL LLC

1 patent

US7274778B2Sep 25, 2007

Systems and methods for receiving telephone calls via instant messaging

VERIZON BUSINESS GLOBAL LLC10 citations81

HANSON JOEL

1 patent

US8553857B2Oct 8, 2013

Systems and methods for receiving telephone calls via instant messaging

HANSON JOEL0 citations42