RA

Roger H. Appeldorn

3M: 2 patents #129 of 1,069Top 15%
📍 White Bear Lake, MN: #4 of 51 inventorsTop 8%
🗺 Minnesota: #307 of 3,156 inventorsTop 10%
Overall (1997): #26,323 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5659643 Notched fiber array illumination device Michael C. Lea 1997-08-19
5631994 Structured surface light extraction overlay and illumination system David J. Lundin 1997-05-20