CH

Craig Helton

TR Trimark: 1 patents #2 of 13Top 20%
📍 Charles City, IA: #2 of 5 inventorsTop 40%
🗺 Iowa: #250 of 1,029 inventorsTop 25%
Overall (2002): #237,902 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6357078 Hold open assembly for movable closure Ricci L. Marzolf, Bruce E. Kallevig, Bruce Edward Frohman 2002-03-19