Jeffrey Steffen Keller

📍 Warrington, PA: #8 of 21 inventorsTop 40%

🗺 Pennsylvania: #1,792 of 6,061 inventorsTop 30%

Overall (2011): #269,717 of 364,097Top 75%

Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8033404	Modular double-sided display panel	—	2011-10-11