LB

Leslie D. Bethel

BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
📍 Naperville, IL: #1,846 of 3,051 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,033,757 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4446336 Method for recording and updating stored messages in an announcement system Howard A. Kerr, Frances B. Strebendt, John E. Waninski, Jr. 1984-05-01