Lloyd E. Keller

📍 Omaha, NE: #654 of 2,015 inventorsTop 35%

🗺 Nebraska: #1,893 of 5,697 inventorsTop 35%

Overall (All Time): #2,292,464 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5289389	Device for measuring response speed and accuracy	—	1994-02-22
5079726	Response speed and accuracy measurement device	—	1992-01-07