JZ

John A. Zengerle

📍 Fenton, MI: #247 of 454 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,552,079 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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