Charles David Williams has been granted 29 US patents while listed as an inventor at Springfield . The first was granted in 1990 and the most recent in July 2025. Charles David Williams ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Charles David Williams in Geneseo, IL, US.
Patents per Year Patents granted per year, 1990 to 2025 Bar chart with a peak of 7 patents in 2024. peak 7 1990: 1 patents 1990 2001: 1 patents 2004: 1 patents 2004 2008: 1 patents 2009: 1 patents 2009 2019: 3 patents 2020: 4 patents 2020 2021: 2 patents 2022: 2 patents 2022 2023: 3 patents 2024: 7 patents 2024 2025: 3 patents 2025
Issued Patents All Time
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Showing 1–25 of 29 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
D1086349 Firearm Benjamin Boyd McKelvain , Stephen H. McKelvain , Nick Ballard , Peter J. Leach , Christopher Martin Baumbach +1 more 2025-07-29
D1072996 Firearm Benjamin Boyd McKelvain , Stephen H. McKelvain , Nick Ballard , Peter J. Leach , Hasan Kepez 2025-04-29
D1057880 Pistol Dubravko Trpcic , Stephen H. McKelvain , Dennis J. Reese 2025-01-14
12135186 Free floating handguard anchoring system — 2024-11-05
12104878 Rifle stock Christopher Martin Baumbach , Nick Ballard 2024-10-01
12066267 System for pivoting a buffer tube assembly Nathan A. Brinkmeyer , Nick Ballard , Benjamin Boyd McKelvain 2024-08-20
D1036609 Free floating handguard anchoring system — 2024-07-23
12025404 System for pivoting a buffer tube assembly Nick Ballard , Benjamin Boyd McKelvain 2024-07-02
D1024252 Rifle Christopher Martin Baumbach , Peter J. Leach , Stephen H. McKelvain 2024-04-23
11959714 Bolt assembly Nick Ballard , Christopher Martin Baumbach 2024-04-16
11740051 Free floating handguard anchoring system — 2023-08-29
D987011 Firearm receiver Christopher Martin Baumbach 2023-05-23
11624568 Bolt assembly Nick Ballard , Christopher Martin Baumbach 2023-04-11
D963099 Rifle Christopher Martin Baumbach , Peter J. Leach , Stephen H. McKelvain 2022-09-06
D944351 Firearm receiver Christopher Martin Baumbach 2022-02-22
11131525 Free floating handguard anchoring system — 2021-09-28
D923129 Free floating handguard anchoring system — 2021-06-22
10871338 Half-cock trigger safety assembly Thomas E. Long 2020-12-22
10760861 Firearm slide with sloped bottom surface — 2020-09-01
10712123 Free floating handguard anchoring system — 2020-07-14
D875870 Firearm receiver Christopher Martin Baumbach 2020-02-18
D865897 Pistol Dennis J. Reese , Christopher Martin Baumbach , Nick Ballard 2019-11-05
10401122 Free floating handguard anchoring system — 2019-09-03
10330413 Half-cock trigger safety assembly Thomas E. Long 2019-06-25
7571672 Conversion platform for a .45 ACP pistol — 2009-08-11