JH

John Ham

DP Data Products: 1 patents #7 of 29Top 25%
📍 Craydon Court, CA: #3 of 10 inventorsTop 30%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #95,127 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4806031 Uniform print density and registration in an impact printer Paul Amdahl, Doina Mazilu 1989-02-21