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Roy M. Stephen

MGMagic Green: 1 patents #1 of 2Top 50%
Martinsville, IL: #1 of 1 inventorsTop 100%
Illinois: #1,486 of 5,836 inventorsTop 30%
Overall (2002): #125,618 of 266,432Top 50%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6413291 Soil conditioning agglomerates containing calcium Greg Wommack 2002-07-02

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Robert E. Sterling1
Roger D. Stephenson1
Ronald D. Stephens, Jr.1
Robert W. Stephens1
Roger A. Stephens1
Ronnie Stensson1
Ross John Stenfort1
Robert L. Sten1
Ronnie Stembridge1