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Inventor

ZIEGLER MICHAEL J

US17 patents
⚠️ This page may combine multiple inventors who share the name “ZIEGLER MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PPG IND OHIO INC

11 patents

AGA AB

4 patents

AMBROSE RONALD R

1 patent

ALLEN STEVENS CORP

1 patent