LB

La Sheral Blackmon

AT AT&T: 1 patents #10,626 of 18,772Top 60%
Overall (All Time): #3,796,720 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5309512 Call waiting deluxe feature James R. Blakley, Cheryl J. Kohn, Brenda L. Sermersheim, Kathleen C. Whildin, Diane M. Zurbriggen 1994-05-03