DF

David W. Frantz

GL Gladwin: 1 patents #4 of 13Top 35%
📍 Allen Park, MI: #136 of 240 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,051,721 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4383571 Dummy bar for continuous casting equipment Louis Lazaretti 1983-05-17