RB

Randel H. Ball

📍 Waldorf, MD: #89 of 199 inventorsTop 45%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,765,210 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5394445 Telephone call screening and answering device Stephen E. Hall, Sr. 1995-02-28