JY

John A. Yearn

GC Gc: 1 patents #163 of 306Top 55%
Overall (All Time): #3,809,009 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5356951 Composition for dental restorative material Tetsuro Sakuma 1994-10-18