Membership
Tour
Register
Log in
Ralph B. Clark
Follow
Person
Charleston, WV, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of ameliorating acid soil to enhance plant growth
Patent number
5,628,811
Issue date
May 13, 1997
Dravo Lime Company
John W. College
C05 - FERTILISERS MANUFACTURE THEREOF