Brent Q. Hafen

📍 Provo, UT: #645 of 1,126 inventorsTop 60%

🗺 Utah: #11,293 of 19,430 inventorsTop 60%

Overall (All Time): #4,119,947 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4223211	Pedometer devices	Philip E. Allsen	1980-09-16