WS

William H. Spencer

BH Bell And Howell: 1 patents #7 of 40Top 20%
📍 Burlington, NC: #2 of 11 inventorsTop 20%
🗺 North Carolina: #129 of 673 inventorsTop 20%
Overall (1982): #23,157 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4354118 Battery backup supply control means and method 1982-10-12