Inventor

DUPRE WILLIAM J

US2 patents

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

ZENOR MICHAEL JOHN

1 patent

US8229781B2Jul 24, 2012

Systems and apparatus to determine shopper traffic in retail environments

ZENOR MICHAEL JOHN23 citations84

DUPRE WILLIAM J

1 patent

US7979356B2Jul 12, 2011

Method for paying invoices

DUPRE WILLIAM J1 citations34