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Cheryl J. Kohn — 1 Patent

ATAT&T: 1 patents #10,636 of 18,772Top 60%
Naperville, IL: #1,865 of 3,051 inventorsTop 65%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Cheryl J. Kohn has been granted 1 US patent while listed as an inventor at AT&T. All of these patents were granted in 1994. Cheryl J. Kohn ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Cheryl J. Kohn in Naperville, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

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

Frequent Collaborators

Kathleen C. Whildin1 shared
Brenda L. Sermersheim1 shared
Diane M. Zurbriggen1 shared
La Sheral Blackmon1 shared
James R. Blakley1 shared

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