David L. Durfee, Jr.

📍 Meadville, PA: #3 of 7 inventorsTop 45%

🗺 Pennsylvania: #1,049 of 4,560 inventorsTop 25%

Overall (2005): #217,948 of 245,428Top 90%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6896643	Abdominal exercise machine	—	2005-05-24