CE

Charles H. Etheridge

MC Mine Safety Appliances Company: 2 patents #57 of 243Top 25%
📍 Pittsburgh, PA: #2,489 of 7,570 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,629,262 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6092992 System and method for pump control and fault detection Gregory G. Imblum, William R. Frank 2000-07-25
5370004 Multiple port personal air sampling apparatus Clayton J. Bossart, Daniel E. Bruce 1994-12-06
5295790 Flow-controlled sampling pump apparatus Clayton J. Bossart, Craig D. Gestler 1994-03-22