CT

Charles Edwin Truthan

📍 Grand Rapids, MI: #8 of 78 inventorsTop 15%
🗺 Michigan: #358 of 4,492 inventorsTop 8%
Overall (1997): #43,765 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5674195 Syringe apparatus and method of mixing liquid medicants within a syringe — 1997-10-07
5605147 Endotracheal tube insert with needleless medication injection port — 1997-02-25