RR

Richard C. Rozanc

📍 Berkvam Road, PA: #56 of 152 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,346,088 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4564315 Method for anchoring a bolt in a rock-like structure 1986-01-14
4313697 Mine roof support plate bolt 1982-02-02