WC

William D. Caldwell

📍 Bessemer, AL: #8 of 47 inventorsTop 20%
🗺 Alabama: #1,893 of 10,951 inventorsTop 20%
Overall (All Time): #1,262,860 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6923028 Locking system for a door William J. Caldwell 2005-08-02
6455782 Apparatus for preventing coronal discharge Wei-Chung Lin 2002-09-24
5552566 Apparatus for preventing coronal discharge Wei-Chung Lin, John W. Cundiff 1996-09-03
5445348 Auxiliary cable attachment Wei-Chung Lin 1995-08-29