{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Harrow Ip", "item": "https://www.patentleaderboard.com/company/harrow-ip"}, {"@type": "ListItem", "position": 3, "name": "William Stringer", "item": "https://www.patentleaderboard.com/inventor/fl:wi_ln:stringer-3"}]}

Home › Harrow Ip › William Stringer

WS

William Stringer — 4 Patents

HIHarrow Ip: 1 patents #5 of 13Top 40%

Petersburg, IL: #2 of 22 inventorsTop 10%

Illinois: #21,640 of 84,256 inventorsTop 30%

Overall (All Time): #1,080,739 of 4,157,543Top 30%

4 Patents All Time

William Stringer has been granted 4 US patents while listed as an inventor at Harrow Ip. The first was granted in 2016 and the most recent in November 2025. William Stringer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list William Stringer in Petersburg, IL, US.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
12478639	Ocular lubricant formulations	Michael Hanrahan, Patrick H. WITHAM	2025-11-25
11918603	Ocular lubricant formulations	Michael Hanrahan, Patrick H. WITHAM	2024-03-05
11793891	Fluorescein formulations and kits	Patrick H. WITHAM	2023-10-24
9241971	Topical vancomycin formulation and methods of use	Barry A. Butler, Colin Butler, Jeremy Brace, Ronil Patel	2016-01-26

William Stringer — 4 Patents

Patents per Year

Issued Patents All Time

Patent Widget