JD

John L. Devitt

SP Sparton: 1 patents #1 of 5Top 20%
📍 Denver, CO: #11 of 78 inventorsTop 15%
🗺 Colorado: #133 of 721 inventorsTop 20%
Overall (1982): #53,435 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4338978 Lead chloride battery plate Douglas E. Johnson, Robert S. Willard 1982-07-13