Donald N. Ettinger

📍 Knoxville, TN: #7 of 57 inventorsTop 15%

🗺 Tennessee: #86 of 493 inventorsTop 20%

Overall (1982): #68,931 of 81,411Top 85%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4319362	Protective neck apparatus	—	1982-03-16