Inventor

COFFEY STEVE

US2 patents

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

NPD RESEARCH INC

1 patent

US4954699ASep 4, 1990

Self-administered survey questionnaire and method

NPD RESEARCH INC105 citations91

OPENAI OPCO LLC

1 patent

US12591766B1Mar 31, 2026

Application programming interface with generative response engine state management

OPENAI OPCO LLC0 citations36