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USPTO Patent Rankings Data through Dec 31, 2025
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Thomas J. Pieper — 1 Patent

ATAT&T: 1 patents #10,636 of 18,772Top 60%
Warrenville, IL: #100 of 171 inventorsTop 60%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Thomas J. Pieper has been granted 1 US patent while listed as an inventor at AT&T. All of these patents were granted in 1994. Thomas J. Pieper ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Thomas J. Pieper in Warrenville, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5369696 Intraswitch transition to new line support equipment William Krauss, Bernard G. Ruel, Gilbert Mark Stewart, Kathleen C. Whildin 1994-11-29