Joseph M. Rollins

EM Emhart: 1 patents #155 of 310Top 50%

📍 Billerica, MA: #396 of 621 inventorsTop 65%

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%

Overall (All Time): #3,922,603 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4811012	Electronic locking system	—	1989-03-07