MB

Malcolm R. Barfield

GL Glynwed Tubes & Fittings Limited: 3 patents #1 of 6Top 20%
📍 Willenhall, GB: #2 of 9 inventorsTop 25%
Overall (All Time): #1,054,689 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5697143 Method of manufacturing an electrofusion coupler 1997-12-16
5478118 Thermo-weldable coupling for tubes of plastics material, as well as a method for its manufacture Philippe Barq, Cyrille Grandclement 1995-12-26
5096632 Method of manufacturing an electrofusion coupler 1992-03-17
4956138 Method of manufacturing an electrofusion coupler 1990-09-11
4727242 Electrofusion coupler 1988-02-23