JR

John F. Rihn

MC Mine Safety Appliances Company: 1 patents #1 of 10Top 10%
📍 Glenshaw, PA: #2 of 9 inventorsTop 25%
🗺 Pennsylvania: #1,792 of 6,061 inventorsTop 30%
Overall (2011): #257,956 of 364,097Top 75%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8025053 Pressure regulator assembly Christopher L. Prete 2011-09-27