John Keller

📍 Grayson, GA: #1 of 6 inventorsTop 20%

🗺 Georgia: #214 of 2,035 inventorsTop 15%

Overall (2003): #60,070 of 273,478Top 25%

Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6617971	Battery operated temperature warning sensor	—	2003-09-09
6502461	Method and apparatus for monitoring liquid level in a container	—	2003-01-07