DL

Donald R. Leonard

Eastman Kodak: 2 patents #3,607 of 8,114Top 45%
OL Olin: 2 patents #310 of 783Top 40%
📍 Kingsport, TN: #331 of 821 inventorsTop 45%
🗺 Tennessee: #4,555 of 20,272 inventorsTop 25%
Overall (All Time): #1,298,184 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5120452 Process for purifying wastewater with hypochlorous acid Richard C. Ness, Budd L. Duncan, Sudhir K. Mendiratta 1992-06-09
5118426 Process for purifying impotable water with hypochlorous acid Budd L. Duncan, Richard C. Ness, Sudhir K. Mendiratta 1992-06-02
4650821 Novel acrylic castings and process for the preparation thereof 1987-03-17
4603160 Acrylic castings and process for the preparation thereof 1986-07-29