Roy V. Ekberg

📍 Olathe, KS: #424 of 991 inventorsTop 45%

🗺 Kansas: #4,268 of 12,005 inventorsTop 40%

Overall (All Time): #2,214,828 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6402144	Educational card game and method	—	2002-06-11
6109609	Educational card game and method	—	2000-08-29