RH

Richard S. Hutchings

TD The Drackett: 2 patents #1 of 13Top 8%
📍 Cincinnati, OH: #13 of 417 inventorsTop 4%
🗺 Ohio: #108 of 3,574 inventorsTop 4%
Overall (1989): #7,737 of 140,708Top 6%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4880556 Aqueous alkali metal halogenite compositions containing a colorant 1989-11-14
4873013 Aqueous alkali metal halogenite compositions containing a colorant stabilized by ammonium hydroxide 1989-10-10
4861514 Compositions containing chlorine dioxide and their preparation 1989-08-29