John D. Broughman, Jr.

WE Westvaco: 1 patents #184 of 364Top 55%

📍 Covington, VA: #44 of 76 inventorsTop 60%

🗺 Virginia: #18,729 of 34,511 inventorsTop 55%

Overall (All Time): #3,979,378 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4683745	Cannister seal integrity tester	Barry G. Calvert, Danny B. Hill	1987-08-04