WN

William Nelko

MC Mine Safety Appliances Company: 1 patents #104 of 243Top 45%
📍 Oil City, PA: #96 of 266 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,307,793 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D862260 Gas monitor and remote display — 2019-10-08
5095900 Respiration monitor Glenn H. Fertig, Richard F. Abt 1992-03-17