Inventor

ZIOBRO RICHARD J

US2 patents

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

OSMOSE WOOD PRESERVING CO

1 patent

US4622248ANov 11, 1986

Preservative composition for wood

OSMOSE WOOD PRESERVING CO93 citations92

ZHANG JUN

1 patent

US8221797B2Jul 17, 2012

Wood preserving composition for treatment of in-service poles, posts, piling, cross-ties and other wooded structures

ZHANG JUN12 citations81