JR

Joseph M. Rollins

EM Emhart: 1 patents #24 of 90Top 30%
📍 Billerica, MA: #4 of 20 inventorsTop 20%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #93,169 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4811012 Electronic locking system — 1989-03-07