RM

Robert F. Menold

MC Mine Safety Appliances Company: 2 patents #57 of 243Top 25%
📍 Monroeville, PA: #311 of 710 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,373,082 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4205673 Breathing apparatus with an automatic firing mechanism Layton A. Wise 1980-06-03
4193507 Cover for breathing apparatus canister Layton A. Wise 1980-03-18