Francis M. Sprinkel Jr.

PU Philip Morris Usa: 1 patents #8 of 36Top 25%

📍 Glen Allen, VA: #2 of 9 inventorsTop 25%

🗺 Virginia: #200 of 1,067 inventorsTop 20%

Overall (1989): #34,481 of 140,708Top 25%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4869276	Hinged filter sleeve	—	1989-09-26