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Inventor

EFFENBERGER JOHN A

US18 patents
⚠️ This page may combine multiple inventors who share the name “EFFENBERGER JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEM FAB CORP

9 patents

CHEMFAB CORP

5 patents

SAINT GOBAIN PERFORMANCE PLAST

3 patents

KEESE FRANK M

1 patent