SM

Spencer L. Mackay

DR Dental Research: 1 patents #2 of 6Top 35%
📍 Craydon Court, CA: #3 of 10 inventorsTop 30%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #56,039 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D303876 Combined electric periodontal brush and mounting bracket George S. Clemens 1989-10-10