Inventor
HARTLINE STEPHEN D
US5 patents
⚠️ This page may combine multiple inventors who share the name “HARTLINE STEPHEN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTON CO
4 patentsUS4970057ANov 13, 1990
Silicon nitride vacuum furnace process
NORTON CO102 citations94
US4869943ASep 26, 1989
Fiber-reinforced silicon nitride ceramics
NORTON CO25 citations86
US4043823AAug 23, 1977
Lightweight silicon oxynitride
NORTON CO7 citations71
US4435514AMar 6, 1984
Chromia magnesia refractory
NORTON CO12 citations70