Inventor

WALKER ALFRED T

US4 patents

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

DU PONT

2 patents

US7951311B2May 31, 2011

Non-lead resistor composition

DU PONT5 citations72

US7608206B1Oct 27, 2009

Non-lead resistor composition

DU PONT6 citations72

VERNOOY PAUL DOUGLAS

1 patent

US8226857B2Jul 24, 2012

Non-lead resistor composition

VERNOOY PAUL DOUGLAS0 citations48

LABRANCHE MARC H

1 patent

US8257619B2Sep 4, 2012

Lead-free resistive composition

LABRANCHE MARC H1 citations41