Inventor

HALVERSON DAVID J

US3 patents

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

BIRCHWOOD LAB INC

2 patents

US5723183AMar 3, 1998

Metal coloring process

BIRCHWOOD LAB INC63 citations92

US9039821B2May 26, 2015

Methods and compositions for coating aluminum substrates

BIRCHWOOD LAB INC0 citations49

BLOCK WILLIAM V

1 patent

US8691346B2Apr 8, 2014

Methods and compositions for coating aluminum substrates

BLOCK WILLIAM V1 citations40