Inventor

HUGHES RONALD H

US2 patents

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

ALLIED CORP

1 patent

US4558019ADec 10, 1985

Periclase refractory brick with oxyhydrocarbon component

ALLIED CORP9 citations67

ELTRA CORP

1 patent

US4184883AJan 22, 1980

Pitch bonded refractory

ELTRA CORP6 citations58