DF

Donald E. Freepons

MC Melamine Chemicals: 5 patents #3 of 13Top 25%
📍 Kennewick, WA: #48 of 425 inventorsTop 15%
🗺 Washington: #13,001 of 76,902 inventorsTop 20%
Overall (All Time): #670,339 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5139555 Fertilizer processes and compositions using s-triazines 1992-08-18
4999048 Method for reducing pesticide drift 1991-03-12
4964894 Plant growth regulators derived from chitin 1990-10-23
4832728 Fertilizer compositions, processes of making them, and pocesses of using them G. Graham Allan, George M. Crews 1989-05-23
4812159 Plant growth regulators derived from chitin 1989-03-14
4560400 Fertilizer compositions, processes of making them and processes of using them G. Graham Allan, George M. Crews 1985-12-24
4559075 Fertilizer processes and compositions using s-triazines 1985-12-17
4554003 Fertilizer processes and compositions using s-triazines 1985-11-19