Raymond Grantham

📍 Ridgefield, WA: #4 of 16 inventorsTop 25%

🗺 Washington: #5,269 of 14,769 inventorsTop 40%

Overall (2020): #308,580 of 565,922Top 55%

Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10584474	Septic sensor sprayer	—	2020-03-10