Membership
Tour
Register
Log in
Reed Tool Company, Ltd.
Follow
Organization
Monkstown, IE
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Drill bit and cutter therefor
Patent number
4,862,977
Issue date
Sep 5, 1989
Reed Tool Company, Ltd.
John D. Barr
E21 - EARTH DRILLING MINING