Inventor

WHITEHEAD DENNIS D

US2 patents

Patents

2 patents

US6621996B1Sep 16, 2003

Magnetic toner use in a non-contact cleanerless system

HEWLETT PACKARD DEVELOPMENT CO21 citations86

US6681087B2Jan 20, 2004

System for and method of preventing toner leakage past developer seals using static charge

HEWLETT PACKARD DEVELOPMENT CO1 citations44