John G. Hrivnak

SG Sandvik Conveyor Gmbh: 1 patents #2 of 7Top 30%

📍 Ringwood, NJ: #101 of 169 inventorsTop 60%

🗺 New Jersey: #41,174 of 69,400 inventorsTop 60%

Overall (All Time): #4,108,649 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4194614	Conveyor-belt system	—	1980-03-25