Richard Killen

📍 Maple Valley, WA: #4 of 19 inventorsTop 25%

🗺 Washington: #1,078 of 4,011 inventorsTop 30%

Overall (2004): #131,084 of 270,089Top 50%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6682430	Adjustable magnetic coupler	—	2004-01-27