DF

David M. Fetters

HC Hart & Cooley: 1 patents #4 of 18Top 25%
ME Metal-Fab: 1 patents #3 of 11Top 30%
📍 Holland, MI: #577 of 1,299 inventorsTop 45%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,316,439 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5015015 Clip securing arrangement for ventilation systems — 1991-05-14
4781402 Metal chimney assembly John D. Ream 1988-11-01