Inventor

WENGER ALEXANDER A

US5 patents

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

BLOCK ROBERT S

2 patents

US8498570B2Jul 30, 2013

Method and apparatus for in-building communications

BLOCK ROBERT S0 citations45

US10004110B2Jun 19, 2018

Method and system for communication system interoperability

BLOCK ROBERT S0 citations27

REAL TIME BILLING INC

1 patent

US6377938B1Apr 23, 2002

Real time subscriber billing system and method

REAL TIME BILLING INC192 citations90

INTEROPERABILITY TECHNOLOGIES GROUP LLC

1 patent

US9143221B2Sep 22, 2015

Method and apparatus for in-building communications

INTEROPERABILITY TECHNOLOGIES GROUP LLC0 citations38

EAGLE TELEPHONICS INC

1 patent

US4584440AApr 22, 1986

Telephone disconnect apparatus

EAGLE TELEPHONICS INC0 citations29