DC

David J. Christophersen

MM Milsco Manufacturing: 1 patents #13 of 43Top 35%
📍 Milwaukee, WI: #1,543 of 2,770 inventorsTop 60%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,969,418 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4647109 Upholstered seat assembly and a one-piece seat and back shell of molded plastic therefor Steven P. Spiegelhoff 1987-03-03