DB

Daniel E. Bruce

MC Mine Safety Appliances Company: 1 patents #3 of 6Top 50%
📍 Murrysville, PA: #15 of 63 inventorsTop 25%
🗺 Pennsylvania: #948 of 4,234 inventorsTop 25%
Overall (1994): #146,694 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5370004 Multiple port personal air sampling apparatus Clayton J. Bossart, Charles H. Etheridge 1994-12-06