RF

Roger Edwin Fitzgerald

🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,697,158 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5810685 Practice ball with sound and acceleration sensor LeRoy Frederick Willner 1998-09-22