DP

David Prahl

AS Ameritech Services: 2 patents #1 of 6Top 20%
📍 Barrington, IL: #9 of 54 inventorsTop 20%
🗺 Illinois: #421 of 4,656 inventorsTop 10%
Overall (1997): #42,757 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D385886 Phone placard Gerard A. Stratelak, Gary B. Volpe, Karen Frick 1997-11-04
D379994 Phone placard Gerard A. Stratelak, Gary B. Volpe, Karen Frick 1997-06-17