William M. Hansen

📍 Port Orchard, WA: #2 of 11 inventorsTop 20%

🗺 Washington: #2,296 of 12,901 inventorsTop 20%

Overall (2017): #93,956 of 506,227Top 20%

Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9738357	Air and foam collar for watercraft	—	2017-08-22
9555865	Boat collar attachment system and method	—	2017-01-31