Membership
Tour
Register
Log in
Mandarin Oilfield Services Ltd.
Follow
Organization
Calgary, CA
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for controlling inflation fluid to and from inflatable pa...
Patent number
4,776,396
Issue date
Oct 11, 1988
Mandarin Oilfield Services Ltd.
Gordon Studholme
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks