FR

Frederic John Rigelhof

📍 Maple Grove, MN: #477 of 1,211 inventorsTop 40%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,515,014 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8945653 Extracted whole corn kernels and improved processed and processable corn produced thereby Regina Celia Bertoldo de Barros, Michele Ann Majeski, Lee Kent French 2015-02-03
8491670 Anthocyanin pigment/dye compositions and method of providing composition through extraction from corn Regina Celia Bertoldo de Barros, Michele Ann French, Lee Kent French 2013-07-23
8124143 Anthocyanin pigment/dye compositions through corn extraction Regina Celia Bertoldo de Barros, Michele Ann French, Lee Kent French 2012-02-28