DL

David L. Ludwig

OR Ormco: 4 patents #30 of 139Top 25%
Overall (All Time): #1,048,752 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6071117 Plastic orthodontic appliance, plastic appliance mechanical bonding base and method of making same Craig A. Andreiko 2000-06-06
5829973 Plastic orthodontic appliance, plastic appliance mechanical bonding base and method of making same Craig A. Andreiko 1998-11-03
5730418 Minimum fluid displacement medical connector Raymond P. Feith, Timothy Truitt 1998-03-24
5622494 Plastic orthodontic appliance having a mechanical bonding base and method of making same Craig A. Andreiko 1997-04-22
5618175 Plastic orthodontic bracket having rotation wings James F. Reher, Craig A. Andreiko 1997-04-08