EK

Eileen Kiefer

MC Mine Safety Appliances Company: 1 patents #104 of 243Top 45%
📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,394,356 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7261104 Respirator facepieces Mark Cavaliere, Roger P. Wolf, Paul A. Zeller, Klaus Schmidke 2007-08-28