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Inventor

DONAHUE JOHN M

US4 patents
⚠️ This page may combine multiple inventors who share the name “DONAHUE JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EXXONMOBIL CHEMICAL PATENTS INC

2 patents

PHILLIPS PETROLEUM CO

1 patent

GRADALL COMPANY

1 patent