Inventor

CAMPBELL DONALD L

3 patents

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

US HEALTH

1 patent

US6957653B2Oct 25, 2005

Flushed-seal respirator

US HEALTH24 citations84

CAMPBELL DONALD L

1 patent

US3936296AFeb 3, 1976

Integrated fluidized reduction and melting of iron ores

CAMPBELL DONALD L33 citations84

DOW TECHNOLOGY INVESTMENTS LLC

1 patent

US10843992B2Nov 24, 2020

Hydroformylation reaction process

DOW TECHNOLOGY INVESTMENTS LLC2 citations64