Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WT

Walter Tates — 1 Patent

ATAT&T: 1 patents #10,636 of 18,772Top 60%
Baltimore, MD: #2,553 of 4,923 inventorsTop 55%
Maryland: #19,590 of 35,612 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Walter Tates has been granted 1 US patent while listed as an inventor at AT&T. All of these patents were granted in 1992. Walter Tates ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Walter Tates in Baltimore, MD, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5087521 Modified polymer containing articles Jae-Hak Choi, John J. Mottine, Jr., Walter J. Sparzak, Sr., William C. Vesperman 1992-02-11