Duane Manning

📍 North Ogden, UT: #2 of 9 inventorsTop 25%

🗺 Utah: #147 of 691 inventorsTop 25%

Overall (1994): #140,155 of 165,921Top 85%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5347668	Therapeutic headrest device	—	1994-09-20