Inventor

POWELL JOHN L

2 patents

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

GEOSOURCE INC

1 patent

US4306629ADec 22, 1981

Pneumatic weighing device and method

GEOSOURCE INC24 citations74

UNION CARBIDE CORP

1 patent

US4216053AAug 5, 1980

Recovery of ammonium decavanadate from aqueous solution

UNION CARBIDE CORP3 citations48