Inventor

FREEMAN JOHN L

GB4 patents

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

ICI LTD

2 patents

US4169178ASep 25, 1979

Production of aromatic polyethers

ICI LTD24 citations78

US4186262AJan 29, 1980

Aromatic polymers having phenylene groups linked by oxygen atoms, keto groups and sulphone groups

ICI LTD17 citations71

DATA GENERAL CORP

1 patent

US4987530AJan 22, 1991

Input/output controller for a data processing system

DATA GENERAL CORP18 citations70

FREEMAN JOHN L

1 patent

US4204694AMay 27, 1980

Sail apparatus for a land vehicle

FREEMAN JOHN L11 citations65