John A. Tapio

📍 Battle Ground, WA: #5 of 16 inventorsTop 35%

🗺 Washington: #1,076 of 3,602 inventorsTop 30%

Overall (2002): #184,096 of 266,432Top 70%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6484813	Bulldozer attachment to facilitate grading	Nels D. Tapio, Kyle J. Tapio	2002-11-26