Inventor

WARTHEN DAVID

US2 patents

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

ASK JEEVES INC

1 patent

US6584464B1Jun 24, 2003

Grammar template query system

ASK JEEVES INC670 citations93

GLOBALSTREAMS INC

1 patent

US6897984B2May 24, 2005

Method of chromakey recording using luminescent screen

GLOBALSTREAMS INC5 citations56