Dale Johnson

📍 Richfield, MN: #4 of 28 inventorsTop 15%

🗺 Minnesota: #1,346 of 4,549 inventorsTop 30%

Overall (2002): #234,716 of 266,432Top 90%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6431931	Reversible weighted float	—	2002-08-13