CZ

Craig B. Ziemer

AT AT&T: 1 patents #374 of 1,435Top 30%
📍 Zelienople, PA: #3 of 10 inventorsTop 30%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #165,184 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5675640 Telephone ringing signal detector Eric William Tappert 1997-10-07