Inventor

ESSINGER WALTER F

US3 patents

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

SIGMATRON NOVA INC

2 patents

US4559535ADec 17, 1985

System for displaying information with multiple shades of a color on a thin-film EL matrix display panel

SIGMATRON NOVA INC116 citations92

US4613793ASep 23, 1986

Light emission enhancing dielectric layer for EL panel

SIGMATRON NOVA INC52 citations89

SIGMATRON ASSOCIATES

1 patent

US4508990AApr 2, 1985

Thin-film EL panel mounting unit

SIGMATRON ASSOCIATES38 citations87