FB

Frederick E. Brotzke

📍 Lapeer, MI: #5 of 17 inventorsTop 30%
🗺 Michigan: #1,023 of 4,492 inventorsTop 25%
Overall (1997): #50,786 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D387843 Bow sight Gerald F. Brotzke 1997-12-16