Inventor

CAMPBELL DOUGLAS R

US4 patents

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

OPTIMAL INNOVATIONS INC

1 patent

US7573891B1Aug 11, 2009

Hybrid fiber/conductor integrated communication networks

OPTIMAL INNOVATIONS INC40 citations87

BASF CORP

1 patent

US6610133B2Aug 26, 2003

Dispersions for use in ink jet inks

BASF CORP6 citations58

REDIFFUSION SIMULATION LTD

1 patent

US4559014ADec 17, 1985

Motion limiting systems

REDIFFUSION SIMULATION LTD6 citations58

IMAGING SYSTEMS CORP

1 patent

US4342824AAug 3, 1982

Developer with coated carrier material and method of making

IMAGING SYSTEMS CORP4 citations53