Inventor

CASTELL WILLIAM DAVID

CA2 patents

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

BLACKBERRY LTD

1 patent

US9876904B2Jan 23, 2018

Method and system for communicating and displaying data with a voice call

BLACKBERRY LTD4 citations70

RESEARCH IN MOTION LTD

1 patent

US8661546B2Feb 25, 2014

Wireless communication system congestion reduction system and method

RESEARCH IN MOTION LTD0 citations46