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Inventor

SISKOS WILLIAM R

US13 patents
⚠️ This page may combine multiple inventors who share the name “SISKOS WILLIAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PPG INDUSTRIES INC

6 patents

PPG IND OHIO INC

6 patents

KRALL JR WILLIAM R

1 patent