Douglas P. VANWAART

📍 Anamosa, IA: #1 of 2 inventorsTop 50%

🗺 Iowa: #149 of 653 inventorsTop 25%

Overall (1997): #157,408 of 185,788Top 85%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5678961	Quick change adapter	Dennis W. Fleege	1997-10-21