Inventor

MAYBACH RICHARD L

US4 patents

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

AMERICAN TELEPHONE & TELEGRAPH

2 patents

US4794642ADec 27, 1988

Call screening in a public telephone station

AMERICAN TELEPHONE & TELEGRAPH59 citations88

US4782516ANov 1, 1988

Fraud prevention in a public telephone station

AMERICAN TELEPHONE & TELEGRAPH25 citations87

TYCO SUBMARINE SYSTEMS LTD

1 patent

US5926263AJul 20, 1999

Side-tone OTDR for in-service optical cable monitoring

TYCO SUBMARINE SYSTEMS LTD44 citations89

TYCO TELECOMM US INC

1 patent

US7187860B2Mar 6, 2007

Method and apparatus for detecting localized polarization dependent anomalies on optical transmission lines

TYCO TELECOMM US INC14 citations82