Ralph H. Hill, Jr.

SI Southwest Research Institute: 1 patents #6 of 38Top 20%

📍 Christopher, IL: #1 of 1 inventorsTop 100%

🗺 Illinois: #2,058 of 6,921 inventorsTop 30%

Overall (2011): #189,983 of 364,097Top 55%

Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8085301	Compact handheld detector for greenhouse gasses	Joseph N. Mitchell	2011-12-27