JF

John M. Frederick

SD Square D: 1 patents #408 of 756Top 55%
📍 Peru, IN: #17 of 49 inventorsTop 35%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #4,045,491 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4487113 Vent assembly and method of making same David W. West, Lonnie R. Hazel 1984-12-11