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

Peter J. Leach

SPSpringfield: 11 patents #4 of 16Top 25%
Davenport, IA: #21 of 349 inventorsTop 7%
Iowa: #1,336 of 15,303 inventorsTop 9%
Overall (All Time): #435,611 of 4,157,543Top 15%
11 Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
D1086349 Firearm Benjamin Boyd McKelvain, Stephen H. McKelvain, Charles David Williams, Nick Ballard, Christopher Martin Baumbach +1 more 2025-07-29
12298104 Firearm sights and assemblies Dennis J. Reese, Stephen H. McKelvain, Nick Ballard 2025-05-13
D1072996 Firearm Benjamin Boyd McKelvain, Stephen H. McKelvain, Charles David Williams, Nick Ballard, Hasan Kepez 2025-04-29
D1072997 Firearm Nathan A. Brinkmeyer, Stephen H. McKelvain 2025-04-29
D1029171 Firearm grip Nathan A. Brinkmeyer, Stephen H. McKelvain 2024-05-28
D1025275 Optic for a firearm Stephen H. McKelvain, Nick Ballard 2024-04-30
D1024252 Rifle Christopher Martin Baumbach, Stephen H. McKelvain, Charles David Williams 2024-04-23
11846491 Firearm sights and assemblies Dennis J. Reese, Stephen H. McKelvain, Nick Ballard 2023-12-19
11747112 Firearm sights and assemblies Dennis J. Reese, Stephen H. McKelvain, Nick Ballard 2023-09-05
D963780 Optic for a firearm Stephen H. McKelvain, Nick Ballard 2022-09-13
D963099 Rifle Christopher Martin Baumbach, Stephen H. McKelvain, Charles David Williams 2022-09-06