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

David C. Higgins — 2 Patents

SDSquare D: 2 patents #240 of 756Top 35%
Cedar Rapids, IA: #598 of 1,358 inventorsTop 45%
Iowa: #6,094 of 15,303 inventorsTop 40%
Overall (All Time): #2,335,494 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4728757 Interlock scheme for drawout high amperage multi-pole circuit breaker Clifford A. Buxton, Gary A. Volesky 1988-03-01
4693132 Drive mechanism for drawout high amperage multi-pole circuit breaker Clifford A. Buxton, Gary A. Volesky 1987-09-15