Inventor

WILCZYNSKI PAUL R

US3 patents

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

SBC PROPERTIES LP

2 patents

US7068761B2Jun 27, 2006

Method and system for canceling unwanted telephone calls

SBC PROPERTIES LP9 citations72

US6765994B2Jul 20, 2004

Method and system for canceling unwanted telephone calls

SBC PROPERTIES LP7 citations72

AMERITECH CORP

1 patent

US6453019B1Sep 17, 2002

Method and system for canceling unwanted telephone calls

AMERITECH CORP19 citations91