ED

Elmer A. Derr

📍 Richland, PA: #2 of 2 inventorsTop 100%
🗺 Pennsylvania: #1,500 of 5,512 inventorsTop 30%
Overall (2002): #224,493 of 266,432Top 85%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6464746 Homogeneous granules of slow-release fertilizer and method of making the same Gary B. Neyman 2002-10-15