CB

Conrad A. Barngrover

3M: 1 patents #7,233 of 11,543Top 65%
UN Unitek: 1 patents #15 of 30Top 50%
Overall (All Time): #2,304,980 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D340523 Orthodontic bracket base 1993-10-19
4950158 Bumper for orthodontic brackets James D. Cleary, Thomas M. Olsen 1990-08-21