HF

Howard Frysh

DT D4D Technologies: 1 patents #26 of 34Top 80%
Overall (All Time): #2,185,637 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6979496 Mill blank library and computer-implemented method for efficient selection of blanks to satisfy given criteria Basil Haymann, Mark Quadling, Henley Quadling, Jorey Chernett 2005-12-27
4666700 Disclosing of plaque on teeth 1987-05-19