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Inventor

SCHELL PHILIP L

NL11 patents
⚠️ This page may combine multiple inventors who share the name “SCHELL PHILIP L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PPG IND OHIO INC

5 patents

PPG INDUSTRIES INC

4 patents

ASHLAND LICENSING & INTELLECTU

1 patent

ZOLTEK CORP

1 patent