Mark Sponsel has been granted 9 US patents while listed as an inventor at Access Closure . The first was granted in 2008 and the most recent in July 2025. Mark Sponsel ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Mark Sponsel in South San Francisco, CA, US.
Patents per Year Patents granted per year, 2008 to 2025 Bar chart with a peak of 2 patents in 2019. peak 2 2008: 1 patents 2008 2017: 1 patents 2017 2019: 2 patents 2019 2022: 1 patents 2022 2023: 1 patents 2023 2024: 1 patents 2024 2025: 2 patents 2025
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12343283
Ocular implant delivery device and method
Keith Bianchi , Bill Hartsig , Scott M. Nunn , Mukund Patel , Lionel Vedrine +1 more
2025-07-01
12329678
IUD insertion devices with string control
Rob Deckman , Dan HOVDE , Curt Guyer
2025-06-17
12144495
Apparatus and methods for sealing a vascular puncture
Ronald Hundertmark , Andy H. Uchida , David L. Fiscella , Moshe Zilversmit , Brandon Fell +3 more
2024-11-19
11571328
IUD insertion devices
Rob Deckman , Dan HOVDE , Curt Guyer
2023-02-07
11337853
Ocular implant delivery device and method
Keith Bianchi , Bill Hartsig , Scott M. Nunn , Mukund Patel , Lionel Vedrine +1 more
2022-05-24
10499893
Apparatus and methods for sealing a vascular puncture
Ronald Hundertmark , Andy H. Uchida , David L. Fiscella , Moshe Zilversmit , Brandon Fell +3 more
2019-12-10
10258503
Ocular implant delivery device and method
Keith Bianchi , Bill Hartsig , Scott M. Nunn , Mukund Patel , Lionel Vedrine +1 more
2019-04-16
9757105
Apparatus and methods for sealing a vascular puncture
Ronald Hundertmark , Andy H. Uchida , David L. Fiscella , Moshe Zilversmit , Brandon Fell +3 more
2017-09-12
7329241
Drug delivery system for administering an adjustable preset dose
Michael W. Horvath , David Jensen , Joseph P. Rossi , Gregory Malone
2008-02-12
$11,250,000