Inventor

MACKEY JOHN

US2 patents

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

HOLZWANGER MARK

1 patent

US9153128B2Oct 6, 2015

Traffic signal device for driver/pedestrian/cyclist advisory message screen at signalized intersections

HOLZWANGER MARK11 citations79

MC DONNELL DOUGLAS CORP

1 patent

US3996673ADec 14, 1976

Image generating means

MC DONNELL DOUGLAS CORP23 citations78