Duane Marshall has been granted 51 US patents while listed as an inventor at Acushnet . The first was granted in 1982 and the most recent in December 2025. Duane Marshall ranks #51,932 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Duane Marshall in East Greenwich, RI, US.
Patents per Year Patents granted per year, 1982 to 2025 Bar chart with a peak of 11 patents in 2020. peak 11 1982: 1 patents 1982 1984: 2 patents 2005: 1 patents 2005 2006: 3 patents 2007: 1 patents 2007 2008: 1 patents 2018: 1 patents 2018 2019: 1 patents 2020: 11 patents 2020 2021: 1 patents 2022: 3 patents 2022 2023: 9 patents 2024: 8 patents 2024 2025: 8 patents 2025
Issued Patents All Time
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Showing 1–25 of 51 patents
Patent # Title Co-Inventors Date
12508482 Golf bag having lightweight top frame with three-dimensional printed structures Ian Burgess , Stephanie L. Howard , Brian R. Poirier , Benjamin J. Beck , Ryan Donovan +2 more 2025-12-30
D1101408 Golf bag — 2025-11-11
D1100496 Golf bag — 2025-11-04
D1088527 Golf bag — 2025-08-19
D1088526 Golf bag — 2025-08-19
D1059038 Golf bag Ian Burgess 2025-01-28
D1056477 Golf bag — 2025-01-07
D1056478 Golf bag — 2025-01-07
D1052893 Golf bag — 2024-12-03
12133587 Golf bag incorporating dual shoulder strap assembly Ian Burgess 2024-11-05
D1046450 Golf bag — 2024-10-15
D1045388 Golf bag — 2024-10-08
D1032207 Golf bag Ian Burgess 2024-06-25
D1027454 Golf bag Ian Burgess 2024-05-21
D1021403 Golf bag — 2024-04-09
11872455 Golf bag having lightweight top frame with three-dimensional printed structures Ian Burgess , Stephanie L. Howard , Brian R. Poirier , Benjamin J. Beck , Ryan Donovan +2 more 2024-01-16
D1007851 Golf bag — 2023-12-19
D1003601 Golf bag — 2023-11-07
D993622 Golf bag — 2023-08-01
D992899 Golf bag — 2023-07-25
11673031 Golf bag having lightweight top frame with club dividers made of cord material Ian Burgess , Stephanie L. Howard , Benjamin J. Beck , Ryan Donovan , Jonathan Mark Liston +1 more 2023-06-13
D985943 Golf bag Ian Burgess 2023-05-16
11638861 Golf bag having lightweight top frame with three-dimensional printed structures Ian Burgess , Stephanie L. Howard , Brian R. Poirier , Benjamin J. Beck , Ryan Donovan +2 more 2023-05-02
11576480 Golf bag incorporating dual shoulder strap assembly Ian Burgess 2023-02-14
D974763 Golf bag Ian Burgess 2023-01-10