DJ

Donna Johnson

MS Martin Marietta Magnesia Specialties: 1 patents #10 of 23Top 45%
📍 New Ulm, MN: #14 of 43 inventorsTop 35%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,169,432 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7052578 Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp Mark Wajer, Aileen Gibson, Joseph Genco, Burton Branch 2006-05-30
6047707 Hair grooming system having both a curling attachment and a brush attachment 2000-04-11