David Watson

UN Unknown: 1 patents #273 of 2,925Top 10%

📍 North Vancouver, CA: #10 of 51 inventorsTop 20%

Overall (2003): #238,390 of 273,478Top 90%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6662819	Automatic switchover valve	—	2003-12-16