Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WC

William M. Challancin

Terrell, NC: #2 of 2 inventorsTop 100%
North Carolina: #1,988 of 5,725 inventorsTop 35%
Overall (2018): #195,213 of 503,207Top 40%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10079488 Power supply apparatus 2018-09-18