David W. Hansen

📍 Ridgefield, WA: #2 of 4 inventorsTop 50%

🗺 Washington: #319 of 1,789 inventorsTop 20%

Overall (1994): #145,679 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5318141	Low impact tracked vehicles	—	1994-06-07