Inventor
HOULE WILLIAM A
US13 patents
⚠️ This page may combine multiple inventors who share the name “HOULE WILLIAM A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DXIMAGING
4 patentsUS5034299AJul 23, 1991
Mineral acids as charge adjuvants for positive liquid electrostatic developers
DXIMAGING22 citations92
US5066821ANov 19, 1991
Process for preparing positive electrostatic liquid developers with acidified charge directors
DXIMAGING21 citations81
US5106717AApr 21, 1992
Ab diblock copolymers as toner particle dispersants for electrostatic liquid developers
DXIMAGING15 citations69
US5053307AOct 1, 1991
Process for preparing high gloss electrostatic liquid developers
DXIMAGING3 citations58
HEWLETT PACKARD CO
3 patentsUS6149719ANov 21, 2000
Light sensitive invisible ink compositions and methods for using the same
HEWLETT PACKARD CO125 citations98
US6513921B1Feb 4, 2003
Light sensitive invisible ink compositions and methods for using the same
HEWLETT PACKARD CO69 citations95
US6102998AAug 15, 2000
Ink-jet inks and method for printing the same
HEWLETT PACKARD CO13 citations72