RH

Robert P. Huth

HD Hilton Davis: 1 patents #3 of 5Top 60%
HC Hilton Davis Chemical: 1 patents #10 of 13Top 80%
📍 Milford, OH: #116 of 263 inventorsTop 45%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,343,480 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4707373 Edible compositions colored with (2-alkoxy-4-sulfonyl-5-alkyphenyl)azo-1-hydroxynaphthalene sulfonic acids Wayne Lee Cook 1987-11-17
4675389 (2-alkoxy-4-sulfonyl-5-alkylphenyl)azo-1-hydroxynaphthalene sulfonic acids Wayne Lee Cook 1987-06-23