Inventor

GUPTILL JOEL P

2 patents

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

ALLIED CHEM

1 patent

US4057474ANov 8, 1977

Electrolytic production of alkali metal hydroxide

ALLIED CHEM28 citations78

ALLIED SIGNAL INC

1 patent

US4781909ANov 1, 1988

Process for removing boron from sulfuric acid

ALLIED SIGNAL INC5 citations58