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

William Leach — 3 Patents

ATAT&T: 2 patents #7,295 of 18,772Top 40%
UAUS Army: 1 patents #2,854 of 6,974Top 45%
Glen Gardner, NJ: #23 of 55 inventorsTop 45%
New Jersey: #23,671 of 69,400 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
William Leach has been granted 3 US patents while listed as an inventor at AT&T. The first was granted in 1995 and the most recent in March 2022. William Leach ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list William Leach in Glen Gardner, NJ, US.

Patents per Year

Patents granted per year, 1995 to 2022Bar chart with a peak of 1 patents in 1995.peak 11995: 1 patents19952000: 1 patents20002022: 1 patents2022

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11287237 Electronic setback detection method for 40 mm munitions John Pirozzi, Lloyd Khuc, Daniel Altamura, Lei Zheng 2022-03-29
6078659 Apparatus and method for fast automated recovery from toll switch failure in a telephone network Nicholas D. De Trana, Craig L. DeCaluwe 2000-06-20
5465294 System and method for recovering from a telecommunications disaster John M. Chapman, Jr., David N. Decker, Sondra L. Diles, Nicholas P. DeVito, Richard Reinhold Lechner +6 more 1995-11-07