AW

Albert L. Welker

MC Mine Safety Appliances Company: 2 patents #5 of 25Top 20%
📍 Pittsburgh, PA: #15 of 296 inventorsTop 6%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #31,273 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4827778 Liquid separator Clayton J. Bossart, Glenn H. Fertig 1989-05-09
4799374 Liquid separator Clayton J. Bossart, Glenn H. Fertig 1989-01-24