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Inventor

KOLLAH RAPHAEL O

US22 patents
⚠️ This page may combine multiple inventors who share the name “KOLLAH RAPHAEL O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PPG IND OHIO INC

11 patents

PPG INDUSTRIES INC

9 patents

GUO QUNHUI

1 patent

POOLE JAMES E

1 patent