David L. Harper

📍 Nashville, TN: #11 of 68 inventorsTop 20%

🗺 Tennessee: #187 of 953 inventorsTop 20%

Overall (1994): #145,657 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5282638	Conversion device for drills	—	1994-02-01