JZ

John A. Zengerle

📍 Fenton, MI: #10 of 40 inventorsTop 25%
🗺 Michigan: #1,659 of 6,198 inventorsTop 30%
Overall (2002): #183,175 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6423891 Illuminated drumstick incorporating compression spring for ensuring continuous and biasing contact — 2002-07-23