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Inventor

FRIES RICHARD W

US14 patents
⚠️ This page may combine multiple inventors who share the name “FRIES RICHARD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

QUANTUM CHEM CORP

8 patents

NORTHERN PETRO CHEM CO

4 patents

EQUISTAR CHEM LP

2 patents