BW

Bruce W. Wittnebel

3M: 3 patents #4,214 of 11,543Top 40%
📍 White Bear Lake, MN: #217 of 561 inventorsTop 40%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,671,867 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4873135 Preframed transparency film having improved feeding reliability Kerry D. Reimer, Leonard F. Miller 1989-10-10
4711816 Transparent sheet material for electrostatic copiers 1987-12-08
4194911 Inhibitor removing bath for direct positive color photographic development William A. Huffman, R. Dean Lowrey, Geoffrey Nicholson 1980-03-25