Membership
Tour
Register
Log in
Syd S. Peng
Follow
Person
Morgantown, WV, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for determining compressive stress in pillars
Patent number
5,668,325
Issue date
Sep 16, 1997
Cyprus Amax Coal Company
Wm. Mark Hart
E21 - EARTH DRILLING MINING