Peter J. Leach — 11 Patents at Springfield

Peter J. Leach has been granted 11 US patents while listed as an inventor at Springfield. The first was granted in 2022 and the most recent in July 2025. Peter J. Leach ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Peter J. Leach in Davenport, IA, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date
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

Peter J. Leach — 11 Patents

Issued Patents All Time

Patent Widget