Membership
Tour
Register
Log in
Ron Belanger
Follow
Person
Bonnyville, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Anti-corrosive stuffing box assembly
Patent number
4,896,367
Issue date
Jan 23, 1990
H & R Valve, Ltd.
Hille Newton
E21 - EARTH DRILLING MINING