DF

Douglas K. Feenstra

AI Access Business Group International: 5 patents #78 of 371Top 25%
📍 Wyoming, MI: #56 of 261 inventorsTop 25%
🗺 Michigan: #18,390 of 86,293 inventorsTop 25%
Overall (All Time): #1,011,623 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8454757 Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performance Ronald C. Jackson 2013-06-04
8385730 Air care unit allowing for customization of fragrance strength and character Donald W. Bushman, Kalliopi S. Haley, Robert D. Faber, David M. Flower 2013-02-26
8343904 Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performance Ronald C. Jackson 2013-01-01
8057830 Cleansing compositions and methods of reducing skin irritation Ernest H. Brumbaugh 2011-11-15
7781387 Automatic phosphate-free dishwashing detergent providing improved spotting and filming performance Ronald C. Jackson 2010-08-24